-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001140361-09-028325.txt : 20091207
<SEC-HEADER>0001140361-09-028325.hdr.sgml : 20091207
<ACCEPTANCE-DATETIME>20091207190748
ACCESSION NUMBER:		0001140361-09-028325
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091205
FILED AS OF DATE:		20091207
DATE AS OF CHANGE:		20091207

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRIDEX CORP
		CENTRAL INDEX KEY:			0001006045
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				770210467
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1230

	BUSINESS ADDRESS:	
		STREET 1:		1212 TERRA BELLA AVE
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94043
		BUSINESS PHONE:		6509404700

	MAIL ADDRESS:	
		STREET 1:		1212 TERRA BELLA AVENUE
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94043

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BlueLine Partners, L.L.C.
		CENTRAL INDEX KEY:			0001311443
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27598
		FILM NUMBER:		091227166

	BUSINESS ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526
		BUSINESS PHONE:		925-648-2085

	MAIL ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BlueLine Catalyst Fund VIII, L.P.
		CENTRAL INDEX KEY:			0001338146
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27598
		FILM NUMBER:		091227162

	BUSINESS ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526
		BUSINESS PHONE:		925-648-2085

	MAIL ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BlueLine Capital Partners, L.P.
		CENTRAL INDEX KEY:			0001338149
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27598
		FILM NUMBER:		091227165

	BUSINESS ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526
		BUSINESS PHONE:		925-648-2085

	MAIL ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BlueLine Capital Partners III, LP
		CENTRAL INDEX KEY:			0001411986
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27598
		FILM NUMBER:		091227163

	BUSINESS ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526
		BUSINESS PHONE:		(925) 988-0285

	MAIL ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BlueLine Partners II, LLC
		CENTRAL INDEX KEY:			0001411987
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27598
		FILM NUMBER:		091227164

	BUSINESS ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526
		BUSINESS PHONE:		(925) 988-0285

	MAIL ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BlueLine Catalyst Fund IX, L.P.
		CENTRAL INDEX KEY:			0001460518
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27598
		FILM NUMBER:		091227161

	BUSINESS ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526
		BUSINESS PHONE:		925-236-9790

	MAIL ADDRESS:	
		STREET 1:		402 RAILROAD AVENUE
		STREET 2:		SUITE 201
		CITY:			DANVILLE
		STATE:			CA
		ZIP:			94526
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-12-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001006045</issuerCik>
        <issuerName>IRIDEX CORP</issuerName>
        <issuerTradingSymbol>IRIX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001311443</rptOwnerCik>
            <rptOwnerName>BlueLine Partners, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>402 RAILROAD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>DANVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94526</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001338149</rptOwnerCik>
            <rptOwnerName>BlueLine Capital Partners, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>402 RAILROAD AVENUE, STE 201</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DANVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94526</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001411987</rptOwnerCik>
            <rptOwnerName>BlueLine Partners II, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>402 RAILROAD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>DANVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94526</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001411986</rptOwnerCik>
            <rptOwnerName>BlueLine Capital Partners III, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>402 RAILROAD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>DANVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94526</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001338146</rptOwnerCik>
            <rptOwnerName>BlueLine Catalyst Fund VIII, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>402 RAILROAD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>DANVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94526</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001460518</rptOwnerCik>
            <rptOwnerName>BlueLine Catalyst Fund IX, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>402 RAILROAD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>DANVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94526</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2009-12-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>48087</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2483815</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These securities were owned by BlueLine Catalyst Fund VIII, L.P.  On December 5, 2009, BlueLine Catalyst Fund VIII, L.P. executed an in-kind distribution, without consideration, of 48,087 shares of the Issuer?s common stock to certain of its limited partners.

The filing of this statement shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, any Reporting Person is the beneficial owner of any Common Stock covered by this statement.

As described in Amendment No. 4 to Schedule 13D (&quot;Amendment No. 4&quot;) filed on October 25, 2007 with respect to the securities owned by BlueLine Capital Partners, L.P., BlueLine Capital Partners II, L.P., BlueLine Capital Partners III, L.P., BlueLine Catalyst Fund VIII, L.P., BlueLine Catalyst Fund IX, L.P., BlueLine Partners, L.L.C., and BlueLine Partners II, L.L.C., as of the date of Amendment No. 4, the Reporting Entities may have been deemed to be a ?group? under Section 13(d) of the S</footnote>
    </footnotes>

    <remarks>Scott A. Shuda, by power of attorney for all reporting persons</remarks>

    <ownerSignature>
        <signatureName>Scott A. Shuda</signatureName>
        <signatureDate>2009-12-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
