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Listing of the Companys Subsidiaries
 Name
    
    State/Province of Incorporation/OrganizationADA Ambulatory Surgery Center LLC
    
    DEAmerican Eye Instruments, Inc.
    
    ORCoastal Vision Laser Eye Centers, LLC
    
    CACUSA 2002 Investments, LLC
    
    DEDakota Dunes, LLC
    
    DEDel Val ASC, LLC
    
    DEDelaware Valley Vision Assoc. Group Practice, LLC
    
    PAEastern Oregon Regional Surgery Center, LLC
    
    OREdina Laser Eye Center LLC
    
    MNHuntsville Center for Advanced Cataract Surgery LLC
    
    DEKirkwood Surgery Center LLC
    
    MOLaser Eye Care of California, LLC
    
    DELaser Eye Care of Torrance LLC
    
    DELaser Eye Surgery, Inc.
    
    UTLaser Vision Center of Edina LLC
    
    MNLaser Vision Centers, Inc.
    
    DELECC Cosmetics, LLC
    
    CALiberty Eye Surgical Center, LLC
    
    PALong Island Refractive LLC
    
    DELVCI California, LLC
    
    DEMSS, Inc.
    
    MNNew Mexico Refractive LLC
    
    NMNew Vision Strategies LLC
    
    KSNorthwestern Laser Vision LLC
    
    DEOccuLogix Canada Corp
    
    DEOccuLogix Holdings, Inc.
    
    DEOccuLogix, Inc.
    
    DEOccuLogix LLC
    
    DEOgden Refractive LLC
    
    DEOR Partners, Inc.
    
    DEOR Providers, Inc.
    
    OHOxford Eye Surgery Center, LP
    
    MSPermian Basin Surgical Care Center Ltd.
    
    TXPheresys Therapeutics Corporation
    
    DEPhiladelphia Vision Associates Group Practice, LLC
    
    PAPhoenix Eye Surgical Center, LLC
    
    AZProvidence Refractive LLC
    
    DERheo Clinic, Inc.
    
    CanadaRockland Surgery Center LP
    
    DESan Jose Refractive LLC
    
    DESmile Source LP
    
    TXSmile Source Management L.L.C.
    
    TXSmile Source Marketing Inc.
    
    TXSoutheast Medical, Inc.
    
    LASouthern Ophthalmics, Inc.
    
    SCSummit Ambulatory Surgical Center LLP
    
    DESurgical Services of Michigan, L.L.C.
    
    MITexoma Regional Surgery Center LLC
    
    DETLC Capital Corporation
    
    DETLC Florida Eye Laser Center LLC
    
    DETLC Laser Eye Care of La Jolla LLC
    
    DE
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Name
    
    State/Province of Incorporation/OrganizationTLC Laser Eye Centers (ATAC) LLC
    
    DETLC Laser Eye Centers (Piedmont/Atlanta) LLC
    
    SCTLC Laser Eye Centers (Refractive I) Inc.
    
    DETLC Management (Delaware Valley), LLC
    
    DETLC Management Services Inc.
    
    DETLC Michigan L.L.C.
    
    MITLC Michigan Investments, LLC
    
    MITLC Midwest Eye Laser Center, Inc.
    
    ILTLC Northwest Ohio LLC
    
    OHTLC Oklahoma Doctors L.L.C.
    
    OKTLC Personnel Services LLC
    
    MITLC The Laser Center (Annapolis) Inc.
    
    MDTLC The Laser Center (Baltimore Management) LLC
    
    MDTLC The Laser Center (Baltimore) Inc.
    
    MDTLC The Laser Center (Boca Raton) Limited
Partnership
    
    FLTLC The Laser Center (Carolina) Inc.
    
    NCTLC The Laser Center (Connecticut) L.L.C.
    
    CTTLC The Laser Center Detroit L.L.C.
    
    MITLC The Laser Center (Indiana) Inc.
    
    INTLC The Laser Center (Indiana) LLC
    
    INTLC The Laser Center (Institute) Inc.
    
    DETLC The Laser Center Kalamazoo L.L.C.
    
    MITLC The Laser Center Lansing L.L.C.
    
    MITLC The Laser Center (Moncton) Inc.
    
    Canada  OntarioTLC The Laser Center (Northeast) Inc.
    
    MDTLC The Laser Center (Northwest) Inc.
    
    WATLC The Laser Center (Pittsburgh) L.L.C.
    
    PATLC The Laser Center (Tri-Cities) Inc.
    
    TNTLC The London Laser Center Inc.
    
    Canada  OntarioTLC VC, LLC
    
    DETLC Vision (USA) Corporation
    
    DETLC Vision Source, Inc.
    
    TXTLC Whitten Laser Eye Associates LLC
    
    DETruVision, Inc.
    
    DETruVision Contacts, Inc.
    
    UTTruVision Provider Online Services, Inc.
    
    UTTruHearing, Inc.
    
    UTValley Laser Eye Center LLC
    
    NDVision Corporation
    
    Canada  OntarioVision Source LP
    
    TXVision Source Management LLC
    
    TXVision Source Marketing, Inc.
    
    TXWisconsin Refractive LLC
    
    DE
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