Sharma, Dhananjaya, et al. “Impact Of Cataract Surgery on Quality of Life in People Aged 50 Years and Above in A Tertiary Care Hospital in Odisha, East India”. National Journal of Community Medicine, vol. 6, no. 01, Mar. 2015, pp. 41-44, https://www.njcmindia.com/index.php/file/article/view/1126.