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Flashcards in vocabulary-sensory Deck (89)
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1
Q

conjunctiva

A

delicate membrane lining the undersurface of the eyelid and covering the anterior eyeball

1
Q

conjunctiva

A

delicate membrane lining the undersurface of the eyelid and covering the anterior eyeball

2
Q

iris

A

pigmented (colored) layer that opens and closes to allow more or less light to enter the eye

2
Q

iris

A

pigmented (colored) layer that opens and closes to allow more or less light to enter the eye

3
Q

lens

A

transparent, biconvex body behind the pupil of the eye. it bends (refracts) light ray to bring them into focus on the retina

3
Q

lens

A

transparent, biconvex body behind the pupil of the eye. it bends (refracts) light ray to bring them into focus on the retina

4
Q

pupil

A

central opening of the eye, surrounded by the iris, through which light rays pass. it appears dark

4
Q

pupil

A

central opening of the eye, surrounded by the iris, through which light rays pass. it appears dark

5
Q

sclera

A

tough, white outer coat of the eyeball

5
Q

sclera

A

tough, white outer coat of the eyeball

6
Q

astigmatism

A

defective curvature of the cornea or lens of the eye

6
Q

astigmatism

A

defective curvature of the cornea or lens of the eye

7
Q

hyperopia (hypermetropia)

A

farsightedness

7
Q

hyperopia (hypermetropia)

A

farsightedness

8
Q

myopia

A

nearsightedness

8
Q

myopia

A

nearsightedness

9
Q

presbyopia

A

impairment of vision as a result of old age

9
Q

presbyopia

A

impairment of vision as a result of old age

10
Q

cataract

A

clouding of the lens, causing decreased vision

10
Q

cataract

A

clouding of the lens, causing decreased vision

11
Q

chalazion

A

small, hard, cystic mass (granuloma) on the eyelid. NOT A STYE

11
Q

chalazion

A

small, hard, cystic mass (granuloma) on the eyelid. NOT A STYE

12
Q

diabetic retinopathy

A

retinal effects of diabetes mellitus include microaneurisms, hemorrhages, dilation of retinal veins, and neovascularization (new blood vessels form in the retina)

12
Q

diabetic retinopathy

A

retinal effects of diabetes mellitus include microaneurisms, hemorrhages, dilation of retinal veins, and neovascularization (new blood vessels form in the retina)

13
Q

glaucoma

A

increased intraocular pressure results in damage to the retina and optic nervewith loss of vision

13
Q

glaucoma

A

increased intraocular pressure results in damage to the retina and optic nervewith loss of vision

14
Q

hordeolum (sty or stye)

A

localized, purulent, inflammatory staphylococcal infection of the sebaceaous gland in the eyelid

14
Q

hordeolum (sty or stye)

A

localized, purulent, inflammatory staphylococcal infection of the sebaceaous gland in the eyelid

15
Q

macular degeneration

A

progressive damage to the macula of the retina

15
Q

macular degeneration

A

progressive damage to the macula of the retina

16
Q

drusen

A

deposits of clumps of extracellular debris

16
Q

drusen

A

deposits of clumps of extracellular debris

17
Q

retinal detachment

A

two layers of the retina separate from each other

17
Q

retinal detachment

A

two layers of the retina separate from each other

18
Q

strabismus

A

abnormal deviation of the eye

18
Q

strabismus

A

abnormal deviation of the eye

19
Q

estropia

A

one eye turns inward; cross-eyed

19
Q

estropia

A

one eye turns inward; cross-eyed

20
Q

exotropia

A

one eye turns outward; wall-eyed

20
Q

exotropia

A

one eye turns outward; wall-eyed

21
Q

hypertropia

A

upward deviation of the eye

21
Q

hypertropia

A

upward deviation of the eye

22
Q

hypotropia

A

downward deviation of one eye

22
Q

hypotropia

A

downward deviation of one eye

23
Q

amblyopia

A

partial loss of vision or lazy eye

23
Q

amblyopia

A

partial loss of vision or lazy eye

24
Q

diplopia

A

double vision

24
Q

diplopia

A

double vision

25
Q

ophthalmoscopy

A

visual examination of the interior of the eye

25
Q

ophthalmoscopy

A

visual examination of the interior of the eye

26
Q

visual acuity test

A

clarity of vision assessed (snellen chart)

26
Q

visual acuity test

A

clarity of vision assessed (snellen chart)

27
Q

visual field test

A

measurement of the area within which objects are seen when the eyes are fixed, looking straight ahead without movement of the head

27
Q

visual field test

A

measurement of the area within which objects are seen when the eyes are fixed, looking straight ahead without movement of the head

28
Q

enucleation

A

removal of the entire eyeball

28
Q

enucleation

A

removal of the entire eyeball

29
Q

keratoplasty

A

surgical repair of the cornea

29
Q

keratoplasty

A

surgical repair of the cornea

30
Q

laser photocoagulation

A

intense, precisely focused light beam (argon laser) creates an inflammatory reaction that seals retinal tears and leaky retinal blood vessels

30
Q

laser photocoagulation

A

intense, precisely focused light beam (argon laser) creates an inflammatory reaction that seals retinal tears and leaky retinal blood vessels

31
Q

LASIK

A

use of an excimer laser to correct errors of refraction (myopia, hyperopia, and astigmatism)

31
Q

LASIK

A

use of an excimer laser to correct errors of refraction (myopia, hyperopia, and astigmatism)

32
Q

virectomy

A

removal of the vitreous humor

32
Q

virectomy

A

removal of the vitreous humor

33
Q

auditory canal

A

channel that leads from the pinna to the eardrum

34
Q

auditory meatus

A

auditory canal

35
Q

auditory tube

A

channel between the middle ear and the nasopharynx

36
Q

auricle

A

flap of the ear; the protruding part of the external ear, or pinna

37
Q

cerumen

A

waxy substance secreted by the external ear; aka earwax

38
Q

eustachian tube

A

auditory tube

39
Q

incus

A

second ossicle of the middle ear. aka anvil

40
Q

labyrinth

A

maze-like series of canals of the inner ear. this includes the cochlea, vestuble, and semicircular canals

41
Q

malleus

A

first ossicle of the middle ear. aka hammer

42
Q

ossicle

A

small bone of the ear; malleus, incus, and stapes

43
Q

pinna

A

auricle; flap of the ear

44
Q

semicircular canals

A

passages in the inner ear associated with maintaining equilibrium

45
Q

stapes

A

third ossicle of the middle ear. aka stirrup

46
Q

tympanic membrane

A

membrane between the outer and the middle ear; eardrum

47
Q

acoustic neuroma

A

benign tumor arising from the acoustic vestibulocochlear nerve in the brain

48
Q

cholesteatoma

A

collection of skin cells and cholesterol in a sac within the middle ear

49
Q

deafness

A

loss of the ability to hear

50
Q

Meniere disease

A

disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea and semicircular canals

51
Q

otitis media

A

inflammation of the inner ear

52
Q

suppurative otitis media

A

pus formation caused by bacteria in the middle ear

53
Q

serous otitis media

A

a noninfectous inflammation with accumulation of serous fluid

54
Q

otosclerosis

A

hardening of the bony tissue of the middle ear

55
Q

tinnitus

A

sensation of noises in the ear

56
Q

vertigo

A

sensation of irregular or whirling motion either of oneself or of external objects

57
Q

otoscopy

A

visual examination of the ear canal with an otoscope