eyepiece, ocular -- (combination of lenses at the viewing end of optical instruments)
Overview of adj ocular
The adj ocular has 3 senses
ocular, optic, optical, opthalmic -- (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")
ocular, optic, optical, visual -- (relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation")
ocular, visual -- (visible; "be sure of it; give me the ocular proof"- Shakespeare; "a visual presentation"; "a visual image")