optic cup eyecup | (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina |
fiber optic cable fibre optic cable | a cable made of optical fibers that can transmit large amounts of information at the speed of light |
fiber-optic transmission system fibre-optic transmission system FOTS | a communication system using fiber optic cables |
optic chiasma optic chiasm chiasma opticum | the crossing of the optic nerves from the two eyes at the base of the brain |
optic radiation radiatio optica | a nerve pathway from the lateral geniculate body to the visual cortex |
eye oculus optic | the organ of sight |
blind spot optic disc optic disk | the point where the optic nerve enters the retina, not sensitive to light |
optic nerve nervus opticus second cranial nerve optic tract | the cranial nerve that serves the retina |
principal axis optic axis | a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted, in a normal eye the optic axis is the direction in which objects are seen most distinctly |
optic axis | in a doubly refracting crystal, the line in the direction of which no double refraction occurs, a crystal may have either one or two optic axes |
atrophy withering | any weakening or degeneration (especially through lack of use) |
atrophy wasting wasting away | a decrease in size of an organ caused by disease or disuse |
atrophy | undergo atrophy, Muscles that are not used will atrophy |
fiber-optic fiberoptic fibre-optic fibreoptic | of or relating to fiber optics |
ocular optic optical visual | relating to or using sight, ocular inspection, an optical illusion, visual powers, visual navigation |
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 |