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Language of Medicine: Ch 17, Pt 2
fundus of the eye
Posterior, inner part of the eye.
Pigmented (colored) layer that opens and closes to allow more or less light into the eye.
Transparent, biconvex body behind the pupil of the eye. It bends (refracts) light rays to bring them into focus on the retina.
Yellowish region on the retina lateral to and slightly below the optic disc; contains the fovea centralis, which is the area of clearest vision.
Point at which optic nerve fibers cross in the brain.
Region at the back of the eye where the optic nerve meets the retina. It is the blind spot of the eye because it contains only nerve fibers, and no rods or cones.
Cranial nerve carrying impulses from the retina to the brain (cerebral cortex).
Central opening of the eye, surrounded by the iris, through which light rays pass.
Bending of light rays by the cornea, lens, and fluids of the eye to bring the rays into focus on the retina.
Light-sensitive nerve cell layer of the eye containing photoreceptor cells (rods and cones).
Photoreceptor cell of the retina essential for peripheral vision, and for vision in dim light.
Tough, white outer coat of the eyeball.
Relay center of the brain. Optic nerve fibers pass through here on way to cerebral cortex.