According to the World Health Organization, more than half of the world’s blindness is due to Cataracts, clouding of the eye's natural lens. In Chad, the fifth largest country in Africa cataract is mainly caused by ultraviolet radiation from sunlight, poor water quality, lack of sanitation and malnutrition.
Social isolation, educational disadvantage, and economic impact are some of the issues which affect people with vision impairment and also affect their families, friends, and community.
In 2018, a group of eye doctors traveled to the remote city of Mao to give free eye surgery to locals.