Nouns

(n)eye, oculus, opticthe organ of sight

Adjectives

(a)ocular, optic, optical, ophthalmicof 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”
(a)ocular, optic, optical, visualrelating to or using sight“ocular inspection”, “an optical illusion”, “visual powers”, “visual navigation”