A man looks into tonometer for eyesight test during a free eye screening medical camp at Mengo Hospital, Kampala, Uganda, Oct. 15, 2021. To mark the World Sight Day that falls on Oct. 14 this year, over 300 people with diabetes received free eye screening treatment during a two-day medical camp event in Kampala.(Photo: Xinhua)
An ophthalmologist checks the eyes of a man during a free eye screening medical camp at Mengo Hospital, Kampala, Uganda, Oct. 15, 2021. To mark the World Sight Day that falls on Oct. 14 this year, over 300 people with diabetes received free eye screening treatment during a two-day medical camp event in Kampala.(Photo: Xinhua)