T h e la y e rs o f t h e e y e b a ll
The layers of the eyeball provide protection, nourishment, and
the “screen" that transduces light images into nerve impulses.
Layers of the
Anterior cavity contains aqueous
humor that maintains shape and
supplies oxygen and nutrients to
lens and cornea.
aqueous humor and
alters shape of the lens
for near or far vision.
Optic nerve carries
axons of ganglion
cells to the brain.