World Sight Day (World Sight Day) is celebrated in the second Thursday of October at the initiative of the World Health Organization (WHO).
This date marked on the calendar to attract global attention to the problems of blindness, visual impairment and rehabilitation of the visually impaired. In celebration of World Sight Day attended various organizations associated with the problem. This day is also a major event in the global initiative for the prevention of blindness "Vision 2020: The Right to Sight", created by WHO and the International Agency for Prevention of Blindness.
Blindness — the inability to see. The leading causes of chronic blindness include cataract, glaucoma, age-related macular degeneration, corneal opacity, trachoma and eye diseases in children (such as those caused by vitamin A deficiency). In a world increasingly common blindness, developing with age, and blindness caused by uncontrolled diabetes.
According to the International Agency for Prevention of Blindness, about 284 million people have vision problems, of which 39 million do not see at all. Eye diseases affect more than 19 million children. About 80% of blindness is avoidable if timely treatment.
As part of World Sight Day held education and prevention activities aimed at the prevention of eye diseases. In some countries this time, residents have the opportunity to be examined by an ophthalmologist.