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Neurology > Eq ophthalmology > Flashcards

Eq ophthalmology Flashcards

1
Q

Uveitis

A

Common and can lead to blindness
Acute
Chronic
Recurrent
Tx - corticosteroid (no ulcer), atropine
Sys NSAID
Sx - suprachoroidal cyclosporine A implant

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2
Q

Glaucoma

A

Cs - Hydrophthalmous, oedema, striae, luxation, blindness
Dx - CS, US, tonometry
Tx - poor progn, Carbonic anhydrase inhibitors
Sx - laser ciliary body destruction, enucleation

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3
Q

Anterior uveitis

A

CS - pain - blepharo, epiphora, chemosis

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4
Q

Posterior uveitis

A

Cs - subtle pain, vitritis,retinal changes

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5
Q

Cataract

A

Common - acquired/ developmental
Normally non progressive
Little visual effect
Retroillumination exam
Tx - not norm tx
Sx in foal
Phacoemulsification

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6
Q

Cataract types

A

Capsular
Nuclear
Perinuclear
Equatorial
Sutural
Complete

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7
Q

Optic nerve

A

Round oval ~ 5mm
Salmon pink

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8
Q

Retina

A

50 vessels radiate from ON
Rest avascular (stars of Winslow)
Neurosensory retina, RPE, choroid, sclera

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9
Q

Histology Tapetal fundus -

A

Neurosensory retina
Retinal pigmented epithelium
Tapetum
Choroid
Sclera

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10
Q

Non tapetal fundus

A

Neurosensory retina
Retinal pigmented epithelium
Choroid
Sclera

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11
Q

Histology

A

Assess depth-
Neurosensory - clingfilm
RPE - black
Tapetum - blue/ amber
Choroid - red
Sclera - white
Pigmental clumping indicates Pth

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12
Q

Eyelid laceration

A

Lower and lateral better

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13
Q

Eyelid neoplasia

A

Sarcoid
Other masses

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14
Q

Ulcerative keratitis

A

CS - pain, epiphora, bleph, photophobia
Dx - fluorescein
Superficial - self resolve, topical AM, no scar
Deep - topical Am + Atropine, will scar

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15
Q

Keratomalacia

A

Melting ulcer
Proteolytic enzymes (epi/ microbes)
Early aggressive Tx
Tx - Topical sera, EDTA, Acetylcysteine, Doxy
Sys - NSAID (flunixin)

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16
Q

Descemetocele

A

Fluoro -ve
Same Tx as deep melting ulcers
Sx indicated
- conjunctival flap

17
Q

Stromal abscess

A

Fluoro -ve
Tx - AM
Sx - debride, corneal graft

18
Q

Viral keratitis

A

EHV2
Multi opacities (white, superficial)
Pain
Dx - PCR (hard)
Tx - idoxuridine , IFN gamma

19
Q

Fungal keratitis

A

Rare UK
Poorly vascularised lesions
Cytology and culture
Tx - slow resolve, Miconazole
Sx - keratectomy, conjunctival flap

20
Q

Immune mediated keratopathies

A

Insidious unilateral onset
Slight discomfort
Irregular surface -> deep bullae
Tx - topical corticosteroid
Sx - keratectomy, Cyclo A implant

Neurology (18 decks)

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