[The most frequent causes of loss and impairment of vision]

The authors analysed 1000 personal records of visually disabled persons of the 1st and 2d disability groups taking into consideration the causes which led to the loss of vision or its handicap. It was established that the most frequent cause of disability were: high myopia (26.7%), diseases of the retina and uvea (18.5%), senile cataract (16.3%), glaucoma (10.3%), optic nerve atrophy (8.8%), congenital anomalies (4.9%), corneal diseases (4.8%), diabetes (4.3%), injuries (3.3%) and retinal detachment (2.1%).