28. Development anomalies of posterior eye

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sookylala
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246664
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28. Development anomalies of posterior eye
Updated:
2013-11-13 06:37:44
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Development anomalies posterior eye
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Development anomalies of posterior eye
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  1. retinal arteriovenous malformation?
    • multiple dilated tortuos vessels emerging from OD
    • 1: abnormal connection between a&v between major a&v
    • 2: direct communication bypassing cap
    • 3: large avms, large vessels, systemic
  2. Ocular compclications of AVMs?
    haem, exudation, aneurysm, occlusion
  3. DDx AVM?
    • congenital AVM
    • telangiectasia
    • capillary/cavernous haemgioma
    • PDR
  4. Assoc with AVM?
    • CNS: wyburn mason
    • facial, intracranial
  5. Prepapillary vascular loops?
    • bv project into vit and return to disc
    • maybe glial around it
    • DDX: persistent hyaloid
  6. Famiilal retinal arteriolar tortuosity?
    • AD
    • tortuous small arterioles
    • corkscrew, spiral
    • haem
    • ddx: leukaemia, hypertension, CRVO- big veins
  7. Patau?
    • retinal dysplasia: failure of retina and vit develop
    • bi, trisomy 13
    • mental retard
  8. Patau signs
    • coloboma
    • cataract
    • microphakia
    • PHPV
    • retinal dysplasia
    • leukocoria
  9. DDX patau?
    foveal hypoplasia: foveal pit with absence FAZ= poor va

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