Chapter 14: Special Sense Organs Flashcards

1
Q

function of cornea

A

refraction of light

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2
Q

choroid

A

blood supply

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3
Q

ciliary body

A

secretion of vitreous fluid, helps change the shape of lens

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4
Q

external ocular muscles

A

movement of the eyeball

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5
Q

eyelid

A

protection

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6
Q

iris

A

contracts/relaxes to control amount of light entering through pupil

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7
Q

lacrimal glands

A

secretion of tears

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8
Q

lens

A

light refraction

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9
Q

optic nerve

A

transmission of visual signals to brain

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10
Q

retina

A

transforms optic signals into nerve impulses

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11
Q

rods

A

distinguish light from dark, perceive shape and movement

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12
Q

cones

A

color vision

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13
Q

sclera

A

external protection

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14
Q

choroid/o

A

choroid

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15
Q

chrom/o

A

color

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16
Q

conjunctiv/o

A

conjunctiva

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17
Q

corne/o, kerat/o

A

cornea

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18
Q

dacry/o, lacrim/o

A

tear

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19
Q

ir/o, irid/o

A

iris

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20
Q

ocul/o, ophthalm/o

A

eye

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21
Q

opt/o, optic/o

A

vision

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22
Q

presby/o

A

old/old age

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23
Q

pupill/o

A

pupil

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24
Q

retin/o

A

retina

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25
Q

ton/o

A

tone or tension

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26
Q

chart used to test clearness and sharpness of vision

A

snellen chart

27
Q

ophthalmometer

A

instrument used to measure the eye, specifically the cornea

28
Q

myopia

A

nearsightedness

29
Q

hyperopia

A

farsightedness

30
Q

astigmatism

A

uneven focusing of an image

31
Q

Tonometry

A

measurement of the intraocular pressure using a tonometer

32
Q

visual field

A

physical space visible to an individual in a fixed position

33
Q

mydriatic

A

agent that dilates the pupil

34
Q

presbyopia

A

impairment of vision due to old age

35
Q

accommodation reflex

A

ability of the eye to adjust to different distances

36
Q

fluorescein angiography

A

procedure using fluorescent dye to examine movement of blood through blood vessels in the eye

37
Q

amblyopia

A

lazy eye. AKA strabismus

38
Q

blepharitis

A

inflammation of eyelid

39
Q

cataract

A

clouding

40
Q

achromatic vision, achromatopsia, daltonism

A

color vision deficiencies

41
Q

conjunctivitis

A

pink eye

42
Q

glaucoma

A

high intraocular pressure

43
Q

hordeolum

A

stye

44
Q

macular degeneration

A

deterioration of retina

45
Q

nyctalopia

A

poor night vision

46
Q

photophobia

A

sensitivity to light

47
Q

ptosis

A

drooping of upper eyelid

48
Q

retinal detachement

A

separation of retina from choroid

49
Q

retinopathy

A

any disease of the retina

50
Q

acoust/o, audi/o

A

hearing

51
Q

adenoid/o

A

adenoids

52
Q

aur/o, auricul/o, ot/o

A

ear

53
Q

cerumin/o

A

earwax

54
Q

cochle/o

A

cochlea

55
Q

myring/o, tympan/o

A

eardrum

56
Q

salping/o

A

eustachian tube

57
Q

-ory

A

pertaining to

58
Q

chem/o

A

chemical

59
Q

mechan/o

A

mechanical

60
Q

noc/i

A

cause harm, injury or pain

61
Q

phot/o

A

light

62
Q

therm/o

A

heat

63
Q

-osmia

A

sense of smell