Internal Structures of the Eye

Question 1

composed of three separate coats or layers.

Answer 1

eyeball

Question 2

What does the outermost layer consist of?

Answer 2

sclera and cornea.

Question 3

is a circular disc of the muscle that contains pigments that determine eye color.

Answer 3

Iris

Question 4

The central aperture of the iris

Answer 4

Pupil

Question 5

is a biconvex, transparent, avascular, encapsulated structure located immediately posterior
to the iris.

Answer 5

lens

Question 6

The Innermost layer and extends only to the ciliary body anteriorly and consists of numerous layers of nerve cells, including the cells commonly called rods and cones.

Answer 6

Retina

Question 7

is a cream-colored circular area located on the retina toward the medial or nasal side of the eye.

Answer 7

optic disc

Question 8

A small circular area that appears slightly depressed is referred to as

Answer 8

Physiological cup.

Question 9

can be readily viewed with the aid of an ophthalmoscope.

Answer 9

Retinal vessels

Question 10

it travels through the optic disc, bifurcate, and extend to the periphery of the fundus.

Answer 10

Four sets of arterioles
and venules

Question 10

It has a light and different small lenses that allow the provider to view the back of the eyeball.

Answer 10

ophthalmoscope

Question 11

are dark red and grow progressively narrower as they extend out to the peripheral areas.

Answer 11

Vessels

Question 11

known as the fovea centralis is located adjacent to the optic disc in the temporal section of the fundus.

Answer 11

Retinal depression

Question 12

This area is surrounded by the macula, which appears darker than the rest of
the fundus.

Answer 12

Vessels