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Diabetic Retinopathy – Screening for Diabetic Retinopathy

Diabetic retinopathy is a common serious, sight-threatening condition with a pre-symptomatic stage which can be easily detected and which is amenable to a therapy which is widely available and effective. Therefore, it satisfies the criteria for screening. Screening may be effected by dilated fundoscopy (by doctors or optometrists) or retinal photography. The method is unimportant; the crucial aspect is organisation.

It is recommended by all guidelines that diabetic patients are screened on an annual basis from diagnosis (although type 1, insulin-dependent, diabetics are unlikely to develop diabetic retinopathy within 5 years, irrespective of their glycaemic control). Screening should be increased if there are high risk co-morbidities such as pregnancy, renal failure or poorly controlled hypertension.

Examples of Retinopathy Appropriate for Annual Screening

# 1

Background diabetic retinopathy with a single blot haemorrhage in the temporal part of the fundus and some microaneurysms around the fovea. Visual acuity was 6/5 in this eye.

0010077

# 2

A single cotton wood spot towards the lower area of the picture and some associated dot/blot haemorrhages.

0010079

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Diabetic Retinopathy Menu

Introduction
  • Aims and Audience
  • How Images Work
Normal Features
  • General
  • Racial Pigmentation
  • Localised Pigmentation
  • Drusen
  • Myelination
Features of Diabetes
  • Microaneurysms
  • Intraretinal Haemorrhages
  • Hard Exudates
  • Cotton-wool Spots
  • Venous Abnormalities
  • IRMAs
  • Neovascularisation
  • Retinal Detachment
  • Vitreous Haemorrhage
  • Sub-hyaloid Haemorrhage
Classification
  • Background
  • Pre-proliferative
  • Proliferative
Screening
  • Screening
Treatment
  • Treatment

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