An ophthalmologist checks the eyes of a woman during a free eye-testing camp at Kumirmari village, in the Sundarbans, on July 26, 2022. The camp was organised by a voluntary organisation called Purbasha as part of its observance of International Day for the Conservation of the Mangrove Ecosystem 2022. 
 (Photo by Sankhadeep Banerjee/NurPhoto via Getty Images)