AMT Special Senses – The Eye

 This portion of the eye contains sensitive cells called rods and cones and converts light into nerve impulses.

retina

The tough, white outer coat of the eye that protects the eyeball is called the

sclera

This section of the eye contains muscles that control the shape of the lens and also secretes aqueous humor. It is known as the

ciliary body

A jelly-like material located behind the lens that helps maintain the shape of the eyeball is called the

vitreous humor

The clear watery fluid that fills the anterior portion of the eye, located in front of the lens, is known as the

Aqueous humor

The dark circular opening in the center of the eye through which light rays enter is called the

pupil

The vascular layer of the eye that contains the iris, ciliary body, and choroid and is continuous with the iris is called the

Uvea

The transparent structure located behind the iris and in front of the vitreous humor that refracts light onto the retina is the

lens

The colored portion of the eye that surrounds the pupil is called the

iris

The_____________ contains a large number of cones and provides the greatest visual acuity

fovea