It is recommended that the International Clinical Classification of Diabetic Retinopathy (See Annex 3.), which provides a sound scientific bass for a uniform grading system, be used as an acceptable minimum standard for assessing diabetic retinopathy in programmes for prevention of blindness. This system provides a simplified but sound scientific basis for uniform grading by general ophthalmologists who have a basic understanding of diabetic retinopathy and skills in evaluating the retina. It has been adopted by the International Council of Ophthalmology and by many member societies.
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