LEE, Ming-Yueh, Tasha Hilda, mariam ismail, and Pik-Pin Goh. “Surgical Induced Astigmatism in Phaecoemulsification Cataract Surgery”. Asian Journal of Ophthalmology 15, no. 3 (March 30, 2017). Accessed April 10, 2020. https://www.asianjo.com/index.php/AsianJO/article/view/275.