Quiz 2

Question 1

Ophthalmology

Answer 1

Study of the eye and eye diseases

Question 2

Optic nerve

Answer 2

Carries neural impulses from the eye to the brain

Question 3

Blind spot

Answer 3

The point at which the optic nerve leaves the eye and no receptor cells are located there

Question 4

Retina

Answer 4

The light sensitive inner surface of the eye containing the receptor rods and cones plus layers of neurons that begin the processing of visual information

Question 5

Rods

Answer 5

Responsible for vision at low light levels

Question 6

Cones

Answer 6

Active at higher light levels and capable of color vision

Question 7

Cornea

Answer 7

The clear tissue that covers the front of the eyes

Question 8

Lens

Answer 8

Focuses light onto retina

Question 9

Pupil

Answer 9

The opening through which light enters the eye

Question 10

Iris

Answer 10

A ring of muscle tissue that forms the colored portion of the eye around the pupil and controls the size of the pupil opening

Question 11

Cilliary body

Answer 11

Contains a ring of muscles that surround the lens and controls its shape

Question 12

Sclera

Answer 12

White of the eye

Question 13

Fovea

Answer 13

The central focal point in the retina, around which the eye’s cones cluster

Question 14

Macula lutes

Answer 14

Yellowish spot on the back of the retina; contains the fovea

Question 15

Choroid

Answer 15

Middle, vascular layer of the eye, between the retina and the sclera

Question 16

Vitreous humor

Answer 16

The transparent jellylike tissue filling the eyeball behind the lens

Question 17

Lacrimal glands

Answer 17

Tear gland

Question 18

Visual acuity

Answer 18

The ability to see fine detail

Question 19

Accommodation

Answer 19

The process by which the eyes lens changes shape to focus near or far objects on the retina

Question 20

Glaucoma

Answer 20

Increased intraocular pressure results in damage to the retina and optic nerve with loss of vision

Question 21

Conjunctivitis

Answer 21

Pink eye