Negrel, A.D. Lchazraji, Y.C. Azelmat, M. 1997 A 1992 survey of the prevalence and causes of visual impairment in Morocco identified age related cataract as the leading cause of blindness 45.5 and low vision 43.1 . The prevalence of cataract related visual impairment was estimated to be 2.1 . Patients who had undergone cataract surgery represented 0.8 of the sample the demand for surgical care is estimated at 25 . Only 60 of people with aphakia had the necessary corrective lenses. Stigmata complications of posterior dislocation of the lens by the traditional method of cataract treatment ...