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"
Optic means relating to the eyes or to sight. The reason for this is that the optic nerve is a part of the brain. see also optics. relating to the eyes (optique, from opticus, from , from optos )
relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation"
Type of antimicrobial agent made from a mold or a bacterium that kills, or slows the growth of other microbes, specifically bacteria Examples include penicillin and streptomycin