Anatomy of the Eyeball

Question 1

The eyeball contains #? layers

Answer 1

3

Question 2

Superficial layer of the eyeball

Answer 2

Fibrous

Question 3

Middle layer of the eyeball

Answer 3

Vascular

Question 4

Deepest layer of the eyeball

Answer 4

Nervous

Question 5

Gives structure and strength (layer)

Answer 5

Fibrous layer

Question 6

Allows light to the inner eye (layer)

Answer 6

Fibrous layer

Question 7

The fibrous layer consists of ______ and _______

Answer 7

cornea, sclera

Question 8

Transparant, avascular

Answer 8

cornea

Question 9

Dense, fibrous white tissue

Answer 9

sclera

Question 10

Contains blood vessels, nerves, dark tissue (_____ layer)

Answer 10

Choroid, vascular

Question 11

Back portions of the ______ form the _______ ________ , eye shine and low light vision

Answer 11

choroid, tapedum lucidum

Question 12

Contains muscles that control the amount of light let into the eye (_____ layer)

Answer 12

Iris, vascular

Question 13

Opening at the center of the iris (_____ layer)

Answer 13

Pupil, vascular

Question 14

________ forms the lens (_____ layer)

Answer 14

Cilliary body, vascular

Question 15

Controls the shape of the sense (_____ layer)

Answer 15

Cilliary muscle, vascular

Question 16

Transparent layer of fibers, biconvex. Focuses images for the _________ (_____ layer)

Answer 16

Lens, retina, vascular

Question 17

Lens ________ in shape for far distances and ________ in shape for near vision

Answer 17

flattens, rounds

Question 18

Deepest layer of the eye containing photoreceptive cells (_____ layer)

Answer 18

Retina, nervous

Question 19

See dim light

Answer 19

rods

Question 20

See color

Answer 20

cones

Question 21

where nerves converge and exit the eye at the ___________

Answer 21

Optic disk, optic nerve

Question 22

Optic Nerve is CN#?

Answer 22

2

Question 23

From lens to cornea, contains watery _______ _________. _________ _________produces and recycles

Answer 23

Aqueous cavity, aqueous humor, ciliary body

Question 24

posterior to the lens, contains gelatinous __________ ________.

Answer 24

Vitreous cavity, vitreous humor

Question 25

Maintains intra ocular pressure

Answer 25

Vitreous cavity (w/ vitreous humor)

Question 26

Higher than normal intraocular pressure due to expansion of globe. More fluid produced by colliery body than leaving the eye. painful, can lead to blindness

Answer 26

Glaucoma

Question 27

Lined with conjunctiva, keeps eyes clean and clear

Answer 27

Eyelid

Question 28

Third eye in in domestic animals

Answer 28

Nictating membrane

Question 29

Causes third eye prolapse

Answer 29

Tetanus

Question 30

Medial, lateral (corners of the eye)

Answer 30

Canthus

Question 31

lacrimal duct/ nasolacrimal duct (tear duct)

Answer 31

Lacrimal apparatus