Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Learning to love Clinical Medicine > Eyes lab vocab > Flashcards

Eyes lab vocab Flashcards

1
Q

Amsler grid

A

geometric shapes chart used to test central visual field

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Anisocoria

A

unequal pupils

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Aphakia

A

absent crystalline lens of eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Corneal arcus

A

opaque white ring around cornea due to lipid deposits or hyaline degeneration

may indicate lipid disorder or Type 2 hyperlipidemia in <40yo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cotton wool spot

A

ill-defined yellow areas due to infarction of retinal nerve layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Diabetic retinopathy
(background)
(proliferative)

A

Background: characterized by dot hemorrhages or microaneurysms + hard and soft exudates

Proliferative: new vessels develop after anoxic stimulation - vessels grow out of retina toward vitreous humor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Diopter

A

refractive power of lens, a focal distance of 1 meter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Diplopia

A

double vision

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Drusen

A

tiny yellow/white deposit in the retina or on the optic nerve head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Ectropion

A

eversion (outward rolling) edge or margin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Episcleritis

A

inflamed superficial layers of the sclera in front of the insertion of the rectus muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Entropion

A

inversino (inward rolling) edge or margin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Exopthalmos

A

bulging eye due to increased orbital volume

Linked to graves’ disease when bilateral
Unilateral is noted as a retro-orbital tumor is suspected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Hyperopia

A

farsightedness

accommodation relaxed, parallel rays focus behind the retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Glaucoma

A

increased cupping appearance of optic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Hemianopia

A

blind in half vision field

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Hordeolum

A

Sty

suppurtive inflammation of sebaceous gland of eyelid

18
Q

Hypertelorism

A

widely spaced eyes

19
Q

Hyphema

A

blood in anterior chamber

20
Q

Legal blindness

A

20/200 or less after correction with glasses

21
Q

Mydriasis

A

pupillary dilation

22
Q

Miosis

A

abnormal contraction of pupils

23
Q

Myopia

A

Nearsightedness

light rays focus in front of retina

24
Q

Night blindness

A

impaired rod function, deficiency of vitamin A

25
Q

Papilledema

A

optic disc edema –> loss of disc margin

Cause often is increased ICP

26
Q

Peripheral vision

A

retinal stimulation beyond the macula

27
Q

Pinguecula

A

harmless yellowish triangular nodule in the bulbar conjunctiva on either side of the iris that stops at the limbus

28
Q

Presbyopia

A

hyperopia and impaired near vision from loss of lens elasticity

generally middle age

29
Q

Pterygium

A

triangular thickening of the bulbar conjunctiva that grows to the outer surface of the cornea, usual from the nose, until covers a portion of the cornea

30
Q

Ptosis

A

drooping of eyelid

31
Q

Punctum

A

opening in eyelid that opens to lacrimal duct

32
Q

Red reflex

A

light illuminating the retina

33
Q

Retinitis pigmentosa

A

chronic progressive disease –> degeneration of retinal neuroepithelium

34
Q

Retinoblastoma

A

embryonic malignant glioma of retina, arises during first 2 yrs of life, initial diagnostic finding: = yellowish or white light reflex at the pupil (cat’s eye reflex)

35
Q

Strabismus

A

both eyes do not focus on same object simultaneously, however can focus independently

36
Q

Uveitis

A

inflammation of iris, ciliary body, and choroid, or the entire uvea

37
Q

Xanhelasma

A

elevated plague commonly found on the nasal portion of the eyelid due to elevated cholesterol

38
Q

Disease causing central vision loss

A

Macular degeneration

39
Q

Disease causing peripheral vision loss first

A

Glaucoma

40
Q

Leading causes of blindness in USA

A

Cataracts if untreated

Glaucoma if <65

Learning to love Clinical Medicine (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions