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<!-- Created: Tue Apr 28 11:00:11 UTC 2026 -->
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    <loc xlink:type="locator" xlink:label="ocgn_HumaQamarMDMPHCMIMember" xlink:href="ocgn-20260611.xsd#ocgn_HumaQamarMDMPHCMIMember"/>
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    <loc xlink:type="locator" xlink:label="ocgn_RameshRamachandranCPAMBACMAMember" xlink:href="ocgn-20260611.xsd#ocgn_RameshRamachandranCPAMBACMAMember"/>
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    <loc xlink:type="locator" xlink:label="ocgn_ShankarMusunuriPhDMBAMember" xlink:href="ocgn-20260611.xsd#ocgn_ShankarMusunuriPhDMBAMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ocgn_ShankarMusunuriPhDMBAMember_lbl" xml:lang="en-US">Shankar Musunuri, Ph.D., MBA [Member]</label>
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