-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 LmMiECcpY3JvroeMabCO2IH5vIzEs4QeAEKwJqk3WlFr8RQcGJ2Yz0OAU9BwWrhQ
 5Q/ftobw5HB8cf+f/xWvuw==

<SEC-DOCUMENT>0000906318-03-000154.txt : 20030725
<SEC-HEADER>0000906318-03-000154.hdr.sgml : 20030725
<ACCEPTANCE-DATETIME>20030725111814
ACCESSION NUMBER:		0000906318-03-000154
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030723
FILED AS OF DATE:		20030725

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LCA VISION INC
		CENTRAL INDEX KEY:			0001003130
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-SPECIALTY OUTPATIENT FACILITIES, NEC [8093]
		IRS NUMBER:				112882328
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		7840 MONTGOMERY RD
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45236
		BUSINESS PHONE:		5137929292

	MAIL ADDRESS:	
		STREET 1:		7840 MONTGOMERY ROAD
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45236

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			COLEMAN WILLIAM O
		CENTRAL INDEX KEY:			0001180324

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27610
		FILM NUMBER:		03802436

	BUSINESS ADDRESS:	
		STREET 1:		31 HALFWAY RD
		CITY:			KEY LARGO
		STATE:			FL
		ZIP:			33037
		BUSINESS PHONE:		3053670037

	MAIL ADDRESS:	
		STREET 1:		31 HALFWAY RD
		CITY:			KEY LARGO
		STATE:			FL
		ZIP:			33037
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-07-23</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001003130</issuerCik>
        <issuerName>LCA VISION INC</issuerName>
        <issuerTradingSymbol>LCAV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001180324</rptOwnerCik>
            <rptOwnerName>COLEMAN WILLIAM O</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-07-23</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>19625</value>
            </transactionShares>
            <transactionValue>
                <value>12</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>43125</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-07-23</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>6000</value>
            </transactionShares>
            <transactionValue>
                <value>12.21</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>37125</value>
                <footnoteId id="F1"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Per the SEC's instructions, this footnote reflects the amount of common stock indirectly owned by the reporting person as of the transaction date.  The reporting person owns 1,750 shares of common stock indirectly by a trust.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Charles F. Hertlein, Jr. Attorney-in-fact for William O. Coleman</signatureName>
        <signatureDate>2003-07-25</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----