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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 E5xzDE3fnv3kkDCE43qTs7+cbCFSiUoNs7Kcusa+lpvqtJrRWuWrqGP0ica9GuR7
 MqOxlaGK9NPaqs9VYY/Mtg==

<SEC-DOCUMENT>0000078003-03-000089.txt : 20030619
<SEC-HEADER>0000078003-03-000089.hdr.sgml : 20030619
<ACCEPTANCE-DATETIME>20030619143747
ACCESSION NUMBER:		0000078003-03-000089
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030416
FILED AS OF DATE:		20030619

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INSITE VISION INC
		CENTRAL INDEX KEY:			0000802724
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				943015807
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		445 MARINE VIEW AVE
		STREET 2:		SUITE 100
		CITY:			DEL MAR
		STATE:			CA
		ZIP:			92014
		BUSINESS PHONE:		5108658800

	MAIL ADDRESS:	
		STREET 1:		445 MARINE VIEW AVE
		STREET 2:		SUITE 100
		CITY:			DEL MAR
		STATE:			CA
		ZIP:			92014

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PFIZER INC
		CENTRAL INDEX KEY:			0000078003
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14207
		FILM NUMBER:		03750096

	BUSINESS ADDRESS:	
		STREET 1:		235 E 42ND ST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2125732323

	MAIL ADDRESS:	
		STREET 1:		235 E 42ND ST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER NAME:	
		FORMER CONFORMED NAME:	PFIZER CHARLES & CO INC
		DATE OF NAME CHANGE:	19710908
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>3</documentType>

    <periodOfReport>2003-04-16</periodOfReport>


    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000802724</issuerCik>
        <issuerName>INSITE VISION INC</issuerName>
        <issuerTradingSymbol>ISV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000078003</rptOwnerCik>
            <rptOwnerName>PFIZER INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionAmounts>
            <transactionShares>
                <value>2665614</value>
            </transactionShares>
        </transactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>By Subsidiary</value>
                <footnoteId id="F1"/>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">These shares are owned  by Pharmacia AB, an indirect wholly owned subsidiary that was acquired by Pfizer Inc. on April 16, 2003.  Pfizer Inc. disclaims beneficial ownership of these shares pursuant to SEC rules 16a-1(a)(1) and (a)(4).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Pfizer Inc. /s/ Lawrence A. Fox, Assistant Secretary</signatureName>
        <signatureDate>2003-06-19</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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