Abdul Aziz Makayee, Sabreen Hassan, and Aafiya Kachru. “A Comparative Study of Pre- and Post-Operative Refractive Errors in Cataract Surgery- Phacoemulsification Vs. Manual Sics In a Secondary Care Hospital”. International Journal of Health and Clinical Research, vol. 4, no. 23, Dec. 2021, pp. 45-48, https://ijhcr.com/index.php/ijhcr/article/view/3624.