Retinal Vascular Disease

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Author:
Rosie435
ID:
131371
Filename:
Retinal Vascular Disease
Updated:
2012-01-29 11:33:21
Tags:
Retinal Vascular Disease
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Description:
Retinal Vascular Disease
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  1. Features of Background Retinopathy
    • Microaneurysms (12-100 microns)
    • Relative abscence of Pericytes
    • Intraretinal Haemorrhages
    • Macular Oedema
    • hard Exudates (in outer plexiform layer)
  2. Types of Diabetic Maculopathy
    • Focal- Exudation- Cessinate Exudates
    • Cystoid- Oedema
    • Ischaemia
  3. Features of Preproliferative DRP
    • Cotton Wool Spots
    • Venous Bleeding and Lops
    • Intra retinal Microvasc Abnormalities
    • Widespread Capillary Non-Perfusion
  4. Indications for Vitrectomy
    • Vitreous Haemorrhage
    • Traction Detachment of Macula
    • Macular Epiretinal Membrane (EPR- Fibrous tissue)
  5. Objectives of vitrectomey
    • Remove Opacities- Blood mainly
    • Excise Posterior Hyaloid- Scaffold for new vessels
    • Remove Pre-retinal/ Epiretinal Fibrovascular tissue- Cause AP and Tangetntial Pressure
  6. Causes of Retinal Vein Occlusion
    • Systemic HT
    • High IOP
    • Diabetes
    • Vessel Wall Inflammation eg. Bechet's
    • Increased Blood Viscosity
    • -Polycythaemia
    • Leukaemia
    • Myeloma
  7. Retinal Artery Occlusion Causes
    • Ateroma
    • Arteritis
    • - Giant Cell Arteritis
    • -Polyarteritis Nodosa
    • -Systemic Lupus Erythematosus
    • Carotid Artery Disease
    • Cardiac Valve Disease
    • Cardiac Wall problems
    • - Mural Thrombus
    • -Atrial Myxoma
  8. Grades of Hypertensive Retinopathy
    • 1- Silver Wiring
    • 2- AV Nipping
    • 3- Haemorrhages, Exudates, Cotton wool Spots
    • 4- Disc Swelling

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