Eye Anatomy Light
Pathway - Follow the pathway of light through the eye.
Light enters through the
amount of light entering the eye is modulated by the iris depending on brightness.
passes through the lens which focuses the incoming light on the retina.
turns light into nerve impulses and sends it to the brain through
the optic nerve.
Contact lenses -
The contact lens sits on the cornea on top of a film of tears. The
front surface on the contact lens remains wet allowing the tear film
on the contact
lens to become the first surface of refraction. The contact lens
shape must conform to the shape of the cornea to maximize comfort
our simple vision test: Eye