Eyes

Question 1

Two movable structures composed of skin and two types of muscle

Answer 1

eyelids

Question 2

the two types of muscles that composed the eyelids

Answer 2

striated and smooth

Question 3

protects the eye from foreign bodies and limit the amount of light entering the eye

Answer 3

eyelids

Question 4

what does the upper eyelid contain that secrete oily substances to lubricate eyelids

Answer 4

meibomian glands

Question 5

the eyelids join at two points:

Answer 5

lateral (outer) canthus and medial (inner) canthus

Question 6

projections of stiff hair curving outward along the margins of the eyelids that filter dust and dirt from air entering the eye.

Answer 6

eyelashes

Question 7

thin, transparent, continuous membrane

Answer 7

conjunctiva

Question 8

conjunctiva is divided into 2 portions:

Answer 8

palpebral and bul-bar portion

Question 9

consists of glands and ducts that lubricate the eye

Answer 9

lacrimal apparatus

Question 10

located in the upper outer corner of the orbital cavity just above the eye, produces tears.

Answer 10

lacrimal apparatus

Question 11

muscles control six different directions of eye movement.

Answer 11

extra ocular muscle

Question 12

straight movement

Answer 12

four rectus muscles

Question 13

diagonal movement

Answer 13

two oblique muscles

Question 14

three cranial nerves in these muscles

Answer 14

oculomotor (III)
trochlear (IV)
abducens (VI)

Question 15

dense, protective, white covering that physically supports the internal structures of the eye.

Answer 15

Sclera

Question 16

window of the eye

Answer 16

cornea

Question 17

continuous anteriorly with the transparent cornea

Answer 17

sclera

Question 18

permits the entrance of light, which passes through the lens to the retina. It is well supplied with nerve endings, making it responsive to pain and touch.

Answer 18

cornea

Question 19

a circular disc of muscle containing pigments that determine eye color

Answer 19

iris

Question 20

central aperture of iris

Answer 20

pupil

Question 21

decrease of size of pupil

Answer 21

near vision

Question 22

dilation of pupil

Answer 22

far vision

Question 23

functions to refract (bend) light rays onto the retina

Answer 23

lens

Question 24

contains the vascularity necessary to provide nourishment to the inner aspect of the eye and prevents light from reflecting internally

Answer 24

choroid layer

Question 25

receives visual stimuli and sends it to the brain

Answer 25

retina

Question 26

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

Answer 26

optic disc

Question 27

Snellen's chart for clients unable to read

Answer 27

Snellen E Chart

Question 28

the degree of detail the eye can discern in an image

Answer 28

Visual acuity

Question 29

the area an individual can see when looking straight ahead

Answer 29

visual fields

Question 30

nearsightedness

Answer 30

myopia

Question 31

farsightedness

Answer 31

hyperopia

Question 32

loss of elasticity of the lens and thus loss of ability to see close objects

Answer 32

presbyopia

Question 33

an uneven curvature of the cornea that prevents horizontal and vertical rays from focusing on the retina, is a common problem that may occur in conjunction with myopia and hyperopia. 

Answer 33

astigmatism

Question 34

inflammation of the bulbar and palpebral conjunctiva

Answer 34

conjunctivitis

Question 35

inflammation of the lacrimal sac

Answer 35

dacryocystitis

Question 36

redness, swelling, and tenderness of the hair follicle and glands that empty at the edge of the eyelids

Answer 36

hordeolum (sty)

Question 37

inflammation of the iris

Answer 37

frills

Question 38

black eyes

Answer 38

contusion or hematomas

Question 39

opacity of the lens or its capsule, which blocks light rays, is frequently removed, and replaced by a lens implant

Answer 39

cataracts

Question 40

eyelids that lie at or below the pupil margin 

Answer 40

ptosis

Question 41

eversion, outturning of the eyelid

Answer 41

ectropion

Question 42

inversion, interning of the lid

Answer 42

entropion

Question 43

enlarged pupils, may indicate injury or glaucoma, result from certain drugs

Answer 43

mydriasis

Question 44

constricted pupils, may indicate an inflammation of the iris or result from such drugs as morphine or pilocarpine, age-related change in older adults.

Answer 44

miosis

Question 45

unequal pupils may result from a central nervous system disorder

Answer 45

anisocoria

Question 46

normal involuntary blinks for a minute

Answer 46

15 to 20

Question 47

20/200

Answer 47

legally blind

Question 48

accurate procedure in the visual acuity test?

Answer 48

The right eye is tested followed by the left eye, and then both eyes are tested.