Eye and Ear Medical Terminology

Outer protective layer of the eye; the portion seen on the anterior portion of the eyeball is referred to as the white of the eye

Transparent anterior part of the sclera, which is anterior to the aqueous humor and lies over the iris. It allows the light rays to enter the eye

Middle layer of the eye, which is interlaced with many blood vessels that supply nutrients to the eye

The pigmented muscular structure that regulates the amount of light entering the eye by controlling the size of the pupil

Opening in the center of the iris

Lies directly behind the pupil; its function is to focus and bend light

Innermost layer of the eye, which contains the vision receptors

Watery liquid found in the anterior cavity of the eye. It provides nourishment to nearby structures and maintains shape in the anterior part of the eye

Jellylike substance found behind the lens in the posterior cavity of the eye that maintains its shape

Oil glands found in the upper and lower edges of the eyelids that help lubricate the eye

Produce and drain tears

Carries visual impulses from the retina to the brain

Mucous membrane lining the eyelids and covering the anterior portion of the sclera

Eyelid

Conjunctiva