Award-winning AI-based app E-Parvaai allows healthcare workers to detect cataract on the spot with a 91% accuracy. Tamil Nadu currently has 22,700 registered Cataract patients, with untreated cataracts being the number one cause of blindness in the state. E-Parvaai has so far scanned 1400 people in 14 districts including Cuddalore, Nagapattinam, and Dharmapuri during the pilot phase and soon be expanded to other districts of the state.