1. (a.) Pertaining to the eye; optic; as, ocular muscles\.

2. (a.) Depending on, or perceived by, the eye; received by actual sight; personally seeing or having seen; as, ocular proof.

3. (n.) The eyepiece of an optical instrument, as of a telescope or microscope.

achromatic lens astigmatic lens burning glass camera coated lens concave lens concavo-convex lens condenser convex lens eye eyeball eyeglass eyepiece glass hand lens lamp lens magnifier magnifying glass meniscus object glass objective objective prism oculus ogle ophthalmic optic optical orb peeper prism reader reading glass seeable seeing telephoto lens toric lens varifocal lens viewable visible visional visual winker zoom lens