Pre-existing Corneal Astigmatism in patients undergoing Cataract Surgery in Western Nepal; A hospital-based Unicentered, Comprehensive, Prospective Observational Study. Nep J Med Sci [Internet]. 2020 Dec. 30 [cited 2026 Jul. 16];5(2):21-5. Available from: https://nepjol.info/index.php/NJMS/article/view/36707