Six year incidence and progression of diabetic retinopathy: Results from the Mauritius diabetes complication study

Abstract

Aims: To determine the incidence, progression and risk factors for diabetic retinopathy in the multiethnic population of Mauritius. Method: A longitudinal, population-based study was conducted in Mauritius, during 1987, 1992 and 1998. Participants identified through the study as having diabetes (both known and newly diagnosed, by self-report and oral glucose tolerance test) and one in four participants with impaired glucose tolerance (IGT) underwent complications screening in 1992 and 1998. Retinal photographs were taken using a TRC-50VT retinal camera in three fields of the right eye (centred on the optic disc; macula (temporal to the optic disc); and nasal to disc). Photographs were graded..