"optic" in the noun sense
1. eye, oculus, optic
the organ of sight
"optic" in the adjective sense
1. ocular, optic, optical, ophthalmic
of or relating to or resembling the eye
"ocular muscles"
"an ocular organ"
"ocular diseases"
"the optic (or optical) axis of the eye"
"an ocular spot is a pigmented organ or part believed to be sensitive to light"
"ophthalmic defect"
2. ocular, optic, optical, visual
relating to or using sight
"ocular inspection"
"an optical illusion"
"visual powers"
"visual navigation"
Source: WordNet® (An amazing lexical database of English)
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