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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2022-03-11T22:48:46.5630090+00:00 -->
<!-- Version            : 5.0.1.728 -->
<!-- Package ID         : ed9f53d5b78741d19b453bb1246c3522 -->
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="eypt_ProceedsFromPaycheckProtectionProgramLoan" name="ProceedsFromPaycheckProtectionProgramLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_NonCashUnpaidStockIssuanceCosts" name="NonCashUnpaidStockIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_DebtInstrumentExitFee" name="DebtInstrumentExitFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_PaymentsForgivenUnderPaycheckProtectionProgramLoan" name="PaymentsForgivenUnderPaycheckProtectionProgramLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_ProductRevenueReservesAndAllowancesTextBlock" name="ProductRevenueReservesAndAllowancesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_LesseeOperatingAndFinanceLeasesDisclosureTextBlock" name="LesseeOperatingAndFinanceLeasesDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_DebtAndEquityInstrumentsPolicyTextBlock" name="DebtAndEquityInstrumentsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ComprehensiveLossPolicyPolicyTextBlock" name="ComprehensiveLossPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ProductRevenueAllowanceAndReserveTableTextBlock" name="ProductRevenueAllowanceAndReserveTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ScheduleOfSupplementalBalanceSheetInformationRelatedToOperatingLeasesTableTextBlock" name="ScheduleOfSupplementalBalanceSheetInformationRelatedToOperatingLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ScheduleOfSupplementalBalanceSheetInformationRelatedToFinanceLeaseTableTextBlock" name="ScheduleOfSupplementalBalanceSheetInformationRelatedToFinanceLeaseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ScheduleOfFutureMinimumOperatingAndFinanceLeasePaymentsUnderNonCancellableLeasesTableTextBlock" name="ScheduleOfFutureMinimumOperatingAndFinanceLeasePaymentsUnderNonCancellableLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NumberOfProducts" name="NumberOfProducts" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_OperationsAbstract" name="OperationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_OperationsLineItems" name="OperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_OrganizationAndNatureOfBusinessTable" name="OrganizationAndNatureOfBusinessTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_YUTIQProductMember" name="YUTIQProductMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_CostOfSalesExcludingAmortizationOfAcquiredIntangibleAssetsMember" name="CostOfSalesExcludingAmortizationOfAcquiredIntangibleAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_NumberOfProductsApproved" name="NumberOfProductsApproved" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NumberOfPeopleAffectedByPosteriorSegmentOfEyeInUSEachYear" name="NumberOfPeopleAffectedByPosteriorSegmentOfEyeInUSEachYear" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NumberOfNewBlindnessCasesEveryYear" name="NumberOfNewBlindnessCasesEveryYear" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ScheduleOfSignificantAccountingPoliciesLineItems" name="ScheduleOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_InvestmentInstrumentsMember" name="InvestmentInstrumentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ASDSpecialtyHealthcareLLCMember" name="ASDSpecialtyHealthcareLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_McKessonSpecialtyCareDistributionLLCMember" name="McKessonSpecialtyCareDistributionLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_OcumensionTherapeuticsMember" name="OcumensionTherapeuticsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_DEXYCUMember" name="DEXYCUMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_IconBioscienceIncMember" name="IconBioscienceIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_AccountsReceivableStandardPaymentTerms" name="AccountsReceivableStandardPaymentTerms" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_AccruedRevenueBasedRoyaltyExpense" name="AccruedRevenueBasedRoyaltyExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_PercentageOfAcceleratedMilestonePaymentReceived" name="PercentageOfAcceleratedMilestonePaymentReceived" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_PercentageOfUpfrontPaymentReceived" name="PercentageOfUpfrontPaymentReceived" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_PreFundedWarrantsToPurchaseCommonStock" name="PreFundedWarrantsToPurchaseCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="eypt_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_DEXYCUProductMember" name="DEXYCUProductMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ContractWithCustomerAllowanceForCreditLossAdditions" name="ContractWithCustomerAllowanceForCreditLossAdditions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_ContractWithCustomerAllowanceForCreditLossIncreaseDecrease" name="ContractWithCustomerAllowanceForCreditLossIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_ContractWithCustomerAllowanceForDeductionsAppliedAndPaymentsMade" name="ContractWithCustomerAllowanceForDeductionsAppliedAndPaymentsMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_DisclosureOfProductRevenueReservesAndAllowancesLineItems" name="DisclosureOfProductRevenueReservesAndAllowancesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_DisclosureOfProductRevenueReservesAndAllowancesTable" name="DisclosureOfProductRevenueReservesAndAllowancesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ChargeBacksAndDiscountsAndFeesMember" name="ChargeBacksAndDiscountsAndFeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_GovernmentsAndOtherRebatesMember" name="GovernmentsAndOtherRebatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ReturnsMember" name="ReturnsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_AmendedAlimeraScienceIncAgreementMember" name="AmendedAlimeraScienceIncAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_RoyaltyPurchaseAgreementMember" name="RoyaltyPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_SWKFundingLLCMember" name="SWKFundingLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_RoyaltySaleAgreementMember" name="RoyaltySaleAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_OncoSilMedicalUKLimitedMember" name="OncoSilMedicalUKLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_CollaborativeResearchAndDevelopmentMember" name="CollaborativeResearchAndDevelopmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_UnderwrittenPublicOfferingMember" name="UnderwrittenPublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_UpfrontCashPayment" name="UpfrontCashPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_RoyaltyPercentageEarnedFromProductSales" name="RoyaltyPercentageEarnedFromProductSales" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NonRoyaltyConsiderationPercentage" name="NonRoyaltyConsiderationPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_LicenseAgreementStartYearMonth" name="LicenseAgreementStartYearMonth" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_UpfrontLicenseFeeReceived" name="UpfrontLicenseFeeReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedDevelopmentAndRegulatoryMilestone" name="PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedDevelopmentAndRegulatoryMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedCommercialSalesBasedMilestone" name="PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedCommercialSalesBasedMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_ProductSupplyMilestonesAndDevelopmentMilestones" name="ProductSupplyMilestonesAndDevelopmentMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_DevelopmentMilestonePaymentReceived" name="DevelopmentMilestonePaymentReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedCombinedRemainingDevelopmentAndSalesMilestone" name="PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedCombinedRemainingDevelopmentAndSalesMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedRemainingDevelopmentAndRegulatoryMilestone" name="PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedRemainingDevelopmentAndRegulatoryMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedRemainingCommercialSalesBasedMilestone" name="PotentialFuturePaymentsToBeReceivedUponAchievementOfPrescribedRemainingCommercialSalesBasedMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_UponAchievementOfMilestones" name="UponAchievementOfMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_SalesBasedRoyaltyExpense" name="SalesBasedRoyaltyExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_EstimatedRateOfAnnualAmortizationExpense" name="EstimatedRateOfAnnualAmortizationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_PropertyAndEquipmentMember" name="PropertyAndEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" name="PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_AccruedClinicalExpenseCurrent" name="AccruedClinicalExpenseCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_AccruedSalesChargebacksRebatesAndOtherRevenueReserves" name="AccruedSalesChargebacksRebatesAndOtherRevenueReserves" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_LeasePropertyAreaCovered" name="LeasePropertyAreaCovered" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_LeaseExpirationMonthYear" name="LeaseExpirationMonthYear" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_LeaseInceptionDate" name="LeaseInceptionDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_AdditionalLeasePropertyAreaCovered" name="AdditionalLeasePropertyAreaCovered" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ConstructionAllowanceCredit" name="ConstructionAllowanceCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_TerminationOfPortionOfLeasePropertyAreaCovered" name="TerminationOfPortionOfLeasePropertyAreaCovered" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_LeaseTerminationDate" name="LeaseTerminationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_DisclosureOfLeasesAbstract" name="DisclosureOfLeasesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_DisclosureOfLeasesLineItems" name="DisclosureOfLeasesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_DisclosureOfLeasesTable" name="DisclosureOfLeasesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_MaMember" name="MaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_OriginalLeaseMember" name="OriginalLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_SecondAmendmentLeaseMember" name="SecondAmendmentLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ThirdAmendmentLeaseMember" name="ThirdAmendmentLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_FourthAmendmentLeaseMember" name="FourthAmendmentLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_BaskingRidgeOfficeSpaceMember" name="BaskingRidgeOfficeSpaceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_CaladriusMember" name="CaladriusMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_FirstLabEquipmentMember" name="FirstLabEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_SecondLabEquipmentMember" name="SecondLabEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ThirdLabEquipmentMember" name="ThirdLabEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_LeasePropertyOfficeAreaCovered" name="LeasePropertyOfficeAreaCovered" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_LeaseInceptionMonthYear" name="LeaseInceptionMonthYear" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NumberOfRenewalOptions" name="NumberOfRenewalOptions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_OperatingLeaseRenewalTermPercentageOfMarketRentAtRenewalDate" name="OperatingLeaseRenewalTermPercentageOfMarketRentAtRenewalDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_AdditionalSubleasedPropertyOfficeArea" name="AdditionalSubleasedPropertyOfficeArea" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NumberOfFinanceLeases" name="NumberOfFinanceLeases" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_FinanceLeasePropertyAndEquipmentGross" name="FinanceLeasePropertyAndEquipmentGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_FinanceLeaseAccumulatedAmortizationPropertyAndEquipment" name="FinanceLeaseAccumulatedAmortizationPropertyAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_TermLoanAgreementLineItems" name="TermLoanAgreementLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_TermLoanAgreementTable" name="TermLoanAgreementTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PaycheckProtectionProgramLoanMember" name="PaycheckProtectionProgramLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_SiliconValleyBankMember" name="SiliconValleyBankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_CoronavirusAidReliefAndEconomicSecurityActMember" name="CoronavirusAidReliefAndEconomicSecurityActMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_CrgServicingLlcMember" name="CrgServicingLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_SecondAdvanceMember" name="SecondAdvanceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_SeniorSecuredTermLoanMember" name="SeniorSecuredTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_InitialAdvanceMember" name="InitialAdvanceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_LoanPrepaymentPriorToDecember312019Member" name="LoanPrepaymentPriorToDecember312019Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_LoanPrepaymentAfterDecember312019AndPriorToDecember312020Member" name="LoanPrepaymentAfterDecember312019AndPriorToDecember312020Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_LoanPrepaymentAfterDecember312020AndPriorToDecember312021Member" name="LoanPrepaymentAfterDecember312020AndPriorToDecember312021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_LoanPrepaymentAfterDecember312021Member" name="LoanPrepaymentAfterDecember312021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PeriodAxis" name="PeriodAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PeriodDomain" name="PeriodDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PeriodOneMember" name="PeriodOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PeriodTwoMember" name="PeriodTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PeriodThreeMember" name="PeriodThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_PeriodFourMember" name="PeriodFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_DebtInstrumentAccruedInterestForgiveness" name="DebtInstrumentAccruedInterestForgiveness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_TermLoansAgreementInitialAdvance" name="TermLoansAgreementInitialAdvance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_TermLoanAgreementAdditionalAdvance" name="TermLoanAgreementAdditionalAdvance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_LineOfCreditFacilityExitFeesPercentage" name="LineOfCreditFacilityExitFeesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_LineOfCreditFacilityFinancingFeePercentage" name="LineOfCreditFacilityFinancingFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ReimbursedExpense" name="ReimbursedExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_PaidInKindInterestAddedToPrincipal" name="PaidInKindInterestAddedToPrincipal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_LineOfCreditFacilityPrincipalPrepaymentPremiumPercentage" name="LineOfCreditFacilityPrincipalPrepaymentPremiumPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_MinimumLiquidityAmount" name="MinimumLiquidityAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_AnnualMinimumProductRevenue" name="AnnualMinimumProductRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_AnnualMinimumProductRevenuePeriod" name="AnnualMinimumProductRevenuePeriod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_IncrementalChargesForIssuanceOfWaivers" name="IncrementalChargesForIssuanceOfWaivers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_OriginalAmountOfDebtDiscount" name="OriginalAmountOfDebtDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_ExitFeeAccrued" name="ExitFeeAccrued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_LineOfCreditFacilityLegalAndTransactionCosts" name="LineOfCreditFacilityLegalAndTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_DebInstrumentExitFee" name="DebInstrumentExitFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_PaymentOfAccruedAndUnpaidInterest" name="PaymentOfAccruedAndUnpaidInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_GrossProceedsFromIssuanceOfCommonStock" name="GrossProceedsFromIssuanceOfCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_StockIssuedDuringPeriodAdditionalSharesIssued" name="StockIssuedDuringPeriodAdditionalSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ClassOfWarrantOrRightIssuePriceOfWarrants" name="ClassOfWarrantOrRightIssuePriceOfWarrants" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="eypt_EquityFinancingsMember" name="EquityFinancingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_SharePurchaseAgreementMember" name="SharePurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_AtTheMarketOfferingMember" name="AtTheMarketOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_StockIssuanceCostsSalesAgentCommissionMaximumPercentage" name="StockIssuanceCostsSalesAgentCommissionMaximumPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_WarrantsIssuedInConnectionWithTermLoanFacility" name="WarrantsIssuedInConnectionWithTermLoanFacility" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ExercisePriceOfIssuedWarrants" name="ExercisePriceOfIssuedWarrants" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_WarrantsExercisePeriod" name="WarrantsExercisePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_WeightedAverageRemainingLifeOfLenderWarrants" name="WeightedAverageRemainingLifeOfLenderWarrants" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_TwoThousandSixteenIncentivePlanMember" name="TwoThousandSixteenIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_EquityIncentivePlansAndInducementAwardGrantsMember" name="EquityIncentivePlansAndInducementAwardGrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ShareBasedCompensationArrangementByShareBasedPaymentAwardProrataVestingPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardProrataVestingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NewlyAppointedNonExecutiveDirectorMember" name="NewlyAppointedNonExecutiveDirectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_DirectorsAndExternalConsultantsMember" name="DirectorsAndExternalConsultantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_EquityIncentivePlansMember" name="EquityIncentivePlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsVested" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsVested" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="eypt_DeferredStockUnitsMember" name="DeferredStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_NonExecutiveDirectorsMember" name="NonExecutiveDirectorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_ShareBasedCompensationArrangementByShareBasedPaymentAwardConsecutiveSixMonthOfferingPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardConsecutiveSixMonthOfferingPeriod" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_SalesAndMarketingMember" name="SalesAndMarketingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_NonRefundableNonCreditableUpfrontCashPayment" name="NonRefundableNonCreditableUpfrontCashPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_CollaborativeAgreementsAndContractsLineItems" name="CollaborativeAgreementsAndContractsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_CollaborativeAgreementsAndContractsTable" name="CollaborativeAgreementsAndContractsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_AerpioPharmaceuticalsIncMember" name="AerpioPharmaceuticalsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_EquinoxScienceLLCMember" name="EquinoxScienceLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_MilestonePaymentsUponAchievementOfCertainDevelopmentAndRegulatoryMilestones" name="MilestonePaymentsUponAchievementOfCertainDevelopmentAndRegulatoryMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="eypt_DefinedContributionPlanContributionsByEmployer" name="DefinedContributionPlanContributionsByEmployer" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_FederalAndStateResearchAndDevelopmentTaxCreditCarryForwardMember" name="FederalAndStateResearchAndDevelopmentTaxCreditCarryForwardMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_FederalAndStateTaxMember" name="FederalAndStateTaxMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="eypt_IncomeTaxReconciliationChangeInFairValueOfDerivativeLiability" name="IncomeTaxReconciliationChangeInFairValueOfDerivativeLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_IncomeTaxReconciliationPermanentItems" name="IncomeTaxReconciliationPermanentItems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_DeferredTaxAssetsLeasingArrangements" name="DeferredTaxAssetsLeasingArrangements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowance" name="DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_ResearchAndDevelopmentTaxCreditsExpirationYearRangeStart" name="ResearchAndDevelopmentTaxCreditsExpirationYearRangeStart" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_ResearchAndDevelopmentTaxCreditsExpirationYearRangeEnd" name="ResearchAndDevelopmentTaxCreditsExpirationYearRangeEnd" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_OperatingLossCarryForwardsExpirationYearRangeStart" name="OperatingLossCarryForwardsExpirationYearRangeStart" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_OperatingLossCarryForwardsExpirationYearRangeEnd" name="OperatingLossCarryForwardsExpirationYearRangeEnd" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_NetOperatingLossCarryforwards" name="NetOperatingLossCarryforwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="eypt_PercentageOfAccountsReceivableEligibleForMaximumAmountBorrowing" name="PercentageOfAccountsReceivableEligibleForMaximumAmountBorrowing" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="eypt_SeniorSecuredRevolvingCreditFacilityMember" name="SeniorSecuredRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
