Self Study: Anatomy/Physiology of the Eye 1

Question 1

what is the cornea?

Answer 1

the anterior 1/6 which is transparent and is a window to allow light rays to enter the eyeball

Question 2

what is the sclera

Answer 2

Is the opaque posterior 5/6 which gives attachment to muscles moving eyeball

Question 3

function of the ciliray body

Answer 3

Suspends the lens and produces Aqueous Humor

Question 4

function of the choroid

Answer 4

Supplies blood to outer layers of retina

Question 5

function of the iris

Answer 5

Controls the diameter of the pupil and thereby controls the amount of light rays entering the eyeball

Question 6

function of the retina

Answer 6

Has light sensitive rods and cones which enables us to see.

Question 7

what contents are part of the fibrous coat?

Answer 7

cornea and sclera

Question 8

what contents of the eye are part of the vascular coat?

Answer 8

aqueous humour- choroid, ciliary body, iris

Question 9

what contents of the eye are part of the sensory coat

Answer 9

vitreous humour- retina

Question 10

what is the crystalline lens?

Answer 10

transparent, crystalline biconvex structure which is suspended by zonules (suspensory ligaments) from the ciliary body. It can change shape (i.e. become less or more convex.)

Question 11

true or false: ciliary body and the suspensory ligaments of the lens are present in 360 degrees

Answer 11

true

Question 12

what is present in the anterior segment in front of the lens?

Answer 12

aqueous humor

Question 13

what is present in the posterior segment behind the lens?

Answer 13

filled with a gel called vitreous humor

Question 14

function of the aquous humor

Answer 14

helps maintain intraocular pressure

Question 15

function of the vitreous humor

Answer 15

helps cushion the retina

Question 16

where is the anterior chmaber located?

Answer 16

in front of iris

Question 17

where is the posterior chamber located?

Answer 17

behind iris