Retina
(RET-ih-huh):
The lining of the rear two-thirds of the eye, the retina
converts images from the eye's optical system into electrical
impulses sent along the Optic Nerve to the brain.
Vitreous
(VIT-ree-us):
The transparent, colorless, gelatinous mass that fills
the rear two-thirds of the interior of the eyeball, between
the lens and the retina. |
Glossary
of Terms:
Cornea (KOR-nee-uh):
The transparent front "window" of the eye that
covers the iris and pupil, and provides most of the eye's
optical power.
Lens:
The transparent, biconvex lens of the eye helps bring rays
of light to focus on the retina.
Macula (MAK-yoo-luh):
The small, specialized central area of the retina, the
macula is responsible for acute central vision.
Optic Nerve:
Carries impulses for sight from the retina to the brain.
Pupil:
The variable-sized black circular opening in the center
of the iris, the pupil regulates the amount of light
that enters the eye. |
