Ophthalmology Station5 Handout

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    ______________________________________________________________________________EGERTON COURT, PARKGATE ESTATE, KNUTSFORD, CHESHIRE WA16 8DX, ENGLAND

    TELEPHONE: 01565 752000 FAX: 01565 650264

    MRCP 2 PACES CLINICAL COURSE

    OPHTHALMOLOGY STATION

    HOW TO APPROACH A FUNDAL EXAMINATION:

    DO NOT PANIC!

    Copyright 2008 PasTest Ltd

    The material in the folder is strictly copyright 2008 by PasTest Ltd. Under no circumstances may this material be photocopied orreproduced by any means whatsoever without the prior permission of PasTest Ltd. The information contained within this binder

    was obtained from reliable sources. However, while every effort has been made to ensure its accuracy, no responsibility for loss,damage or injury occasioned to any person acting or refraining from action as a result of information contained herein can beaccepted by PasTest Ltd.

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    Ophthalmology

    PasTest Ltd

    1) PICTURE AS A WHOLE- Diabetes: Microaneurisms, Exudates,

    Venous beading, IRMA (intraretinal micro vascular abnormalities)

    New vessels on the disc

    New vessels elsewhere

    - CRVO : Diffuse haemorrhages 4 quadrantsOptic disc swollen in severe cases

    Think causes for thrombosis: HT, diabetes, hyperviscosity etc

    - CRAO: Doctors sees nothing, patient sees nothing

    pale fundus

    cherry red spot during first few months

    missing arteries

    Think causes for occlusion: GCA, carotid stenosis etc

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    Ophthalmology

    PasTest Ltd

    - Hypertensive retinopathy Narrowing of arteries

    AV nipping

    CWS, flame shaped haemorrhages, exudates

    Disc swelling, macular star

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    Ophthalmology

    PasTest Ltd

    2) RETINAL PERIPHERY- Black spots laser scars (diabetes, CRVO)

    retinitis pigmentosa

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    Ophthalmology

    PasTest Ltd

    3) OPTIC DISCCupping glaucoma (MRCOphth not MRCP)

    Contour disc swelling: disc hyperemia, fluffy nerve fibers, disc

    haemorrhages

    One disc swollen: optic neuritis

    GCA

    AION

    CRVO, HT retinopathy, TED,

    neuro-retinitis (rare!)

    Lebers optic neuropathy (mitochondrial,

    rare!)

    Both swollen: SOL brain

    Idiopathic intracranial hypertension (IIH)Meningitis

    Cavernous sinus thrombosis

    Beware of drusen (pseudo-swelling)

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    Ophthalmology

    PasTest Ltd

    Colour Pale After swelling (optic neuritis, GCA, TED, Lebers)

    Compressive (meningioma, leukaemia)

    Toxicity (ethambutol, isoniazide, amiodarone, lead

    ethylene glycol (anti-freeze fluid)

    vit B deficiency in alcoholics aka tobacco-alcohol

    amblyopia

    Ischemia (AION)

    Post-trauma

    Infective (syphilis, neuro-retinitis)

    Granulomatous disease (sarcoidosis)

    4) MACULA Oedema Diabetes (circinnate)

    Scarring Chorio-retinitis (toxoplasma, sarcoid)

    ARMD (grayish membrane, extensive scarring)

    Angioid streaks (assoc. with pseudoxanthomaelasticum)

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    Ophthalmology

    PasTest Ltd