What does "ocular" mean?

The eyepiece of a microscope or other optical instrument, i.e., the optical element closest to the eye.

What is a synonym for "ocular"?

Common synonyms include: ophthalmic, optic, visual, achromatic lens, aqueous, aqueous part.

/ˈɑ.kjə.lɚ/ adj, noun

adj, noun ·Moderate ·College level

Noun

1
The eyepiece of a microscope or other optical instrument, i.e., the optical element closest to the eye.
2
combination of lenses at the viewing end of optical instruments wordnet
3
Any of the scales forming the margin of a reptile's eye.

Adjective

1
Of, or relating to the eye, or the sense of sight
"The medication may have adverse ocular side effects."
2
Resembling the eye.
"ocular markings on the wings of a butterfly"
3
Seen by, or seeing with, the eye; visual.
"Villain, be sure thou prove my love a whore, Be sure of it; give me the ocular proof: Or by the worth of man’s eternal soul, Thou hadst been better have been born a dog Than answer my waked wrath!"

Adjective

"Insufficient illumination is deleterious to ocular health."

Derived from the Latin oculāris (“of the eye”), from oculus (“eye”).