Screening for diabetic retinopathy in a rural French population with a mobile non-mydriatic camera

The aim of this study was to evaluate the yield of diabetic retinopathy (DR) screening in a rural population using a mobile non-mydriatic camera.

The 72 least medicalized areas of Burgundy were the target areas. An orthoptist took fundus photographs using a Topcon TRC-NW6S non-mydriatic camera (four fields: posterior pole; nasal; temporal; and upper). Interpretations were done in the Department of Ophthalmology according to the classification of the French Language Association for the Study of Diabetes and Metabolic Diseases (Alfediam).

Between 2004 and 2006, 1974 diabetics were screened-676 the first year, and 1298 in the second. The rate of non-interpretable photographs was 13%. Of the 1974 screened patients, there were 103 cases of DR (5.2%), comprising 70 mild non-proliferative DR (68%), 21 moderate non-proliferative DR (20.4%) and 12 severe non-proliferative DR (11.6%). The mean age of the patients with a DR was 66.7+/-10.9 years, with a mean duration of diabetes of 16.5+/-9.8 years. Only 35 (34%) patients were aware of their HbA(1c), which had a mean value of 7.8% and 19 had visited an ophthalmologist in the year before screening (18.4%). After the initial screening, 90,5% of the patients consulted an ophthalmologist as recommended.

Screening improved the quality of the ocular follow-up in diabetics in this rural area. However, improvements in management are needed to lower the cost of such a programme.