The prevalence of type 2 idiopathic macular telangiectasia in two African populations.
Ferenc B Sallo, Irene Leung, Wanjiku Mathenge, Fatima Kyari, Hannah Kuper, Clare E Gilbert, Alan C Bird, Tunde Peto, undefined MacTel Study Group
Ophthalmic Epidemiol | Informa UK Limited | Published : 2012
PURPOSE: Type 2 idiopathic macular telangiectasia (MacTel) is a progressive retinal disease associated with a slow deterioration of visual acuity, starting in the fifth to seventh decades of life. The etiology and pathogenesis of the disease are little known, and no effective therapy is available. We aimed to estimate the prevalence and describe the phenotype of type 2 MacTel in two African populations. METHODS: From two population-based cross-sectional surveys conducted nationally in Nigeria and in the Nakuru district of Kenya, patients with fundus features of type 2 MacTel were selected. Diagnosis was based on color fundus images, grading performed according to the MacTel Study protocol an..View full abstract