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Evaluation of a non-mydriatic camera in Indian and European diabetic patients.
  1. R Mohan,
  2. E M Kohner,
  3. S J Aldington,
  4. I Nijhar,
  5. V Mohan and
  6. H M Mather
  1. Diabetic Retinopathy Unit, Hammersmith Hospital, London.

    Abstract

    The value of the Canon CR3-45NM non-mydriatic fundus camera in screening for diabetic retinopathy has been assessed in two ethnic groups, namely, 45 Indian and 40 European diabetic patients. There was 72% agreement between ophthalmoscopy by an ophthalmologist and the photographic assessment, and 100% agreement on clinically important lesions requiring treatment. However, peripheral retinal lesions, seen on ophthalmoscopy but lying outside the photographic field, occurred in 4% of eyes. 6% of photographs were totally unassessable and an additional 12% were only partially assessable. The prevalence and severity of retinopathy was similar in Indian and European patients. The advantages and disadvantages of the non-mydriatic camera in screening for diabetic retinopathy are discussed.

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