optic disc optic cup • optic disk · · · Info · Definitions · Synonyms · Characters · · optic disc · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) the point where the optic nerve enters the retina; not sensitive to light. Synonyms: blind spot, optic disc, optic disk. · · Noun Definition 1 Synonyms · · · blind spot · · Synonym 1 optic disk · · Synonym 2 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074