PSY/CS330 Human Factors
5/2/00
Day 1-
4
Structures of the Eye
u
1.
Sclera
u
2.
Cornea
u
3.
Aqueous Humor
u
4.
Iris
u
5.
Pupil
u
6.
Lens
u
7.
Ciliary muscle
u
8.
Retina
l
9.
fovea (pit)
l
10.
blind spot/optic disc
u
11.
Pigment Epithelium
Sclera - tough outer covering
Cornea - 2/3 focusing power - fixed.
Aqueous Humor - fluid
Iris - gives us our eye color
Pupil is just a hole
Lens - 1/3 power but adjustable
Ciliary muscle - adjusts lens - can tire
Retina - appear thin.
Optic disc - not receptors