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iOSCE > Ophthalmology > Flashcards

Ophthalmology Flashcards

1
Q

Visual acuity grades

A

Snellen acuity –> counting fingers –> hand motion –> light perception –> no light perception

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2
Q

Color vision test

A

Ishihara plates (pseudoisochromatic)

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3
Q

Visual field test

A

confrontation
automated (humphrey, goldmann, tangent screen)
Amsler grid

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4
Q

Shallow anterior chamber

A

> 2/3 side of iris in shadow

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5
Q

Slit lamp dyes

A

fluorescein, rose bengal

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6
Q

tonometry

A

Goldmann applanation

tonopen

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7
Q

Top 3 Dx acute vision loss

A

Trauma/foreign
retinal artery/vein occlusion
retinal detachment

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8
Q

Top 3 Dx chronic vision loss Reversible

A

cataract
refractive error
corneal dystrophy

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9
Q

Top 3 Dx chronic vision loss irreversible

A

ARMD
glaucoma
diabetic retinopathy

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10
Q

Treat corneal abrasion

A

Antibiotic drop/ointment
NSAID
cycloplegic
tight patch

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11
Q

Retinal detachment presentation

A

sudden, flash and floater, curtain of blackness, loss central, decreased IOP, loss red reflex

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12
Q

Retinal detachment management

A

laser cryotherapy
slceral buckle
pneumatic retinopexy
vitrectomy

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13
Q

CRAO/BRAO presentation

A

monocular loss vision (painless unless temporal arteritis)
Hx amaurosis fugax
RAPD
fundoscopy = cherry-red, retinal pallor, narrowed arterioles, cotton-wool, hollenhorst (cholesterol)

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14
Q

CRVO/BRVO presentation

A

HTN, DM, CAD, glaucoma, hyperviscosity, drugs (OCP, diuretic)
hemorrhage, cotton wool, congestion, RAPD, blood and thunder appearance, venous engorge, macular edema, swollen optic disc

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15
Q

Diabetic retinopathy

A

Non-proliferative: dot/blot hemorrhage, microaneurysm, exudate, beading, cotton wool
Proliferative: neovascularization

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16
Q

Keith-Wagener-Barker classification of HTN

A 
Group1 = narrowing of arterioles
2 = focal irregularities (AV nicking)
3 = cotton wool, hemorrhage, exudates
4 = papilledema
17
Q

Temporal arteritis (giant cell)

A

women > 60 yr
monocular vision loss, temporal artery pain, jaw claudication, scalp tender, constitutional, asso w/ polymyalgia rheumatica

18
Q

Mydriatic duration of action

A

phenylephrine –> tropicamide –> cyclopentolate –> homatropine –> atropine –> scopolamine

iOSCE (4 decks)

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