Shrestha, G., D. Sujakhu, J. Shrestha, and J. Shrestha. “Tear Film Evaluation in Contact Lens Wearers and Non Wearers”. Journal of Institute of Medicine Nepal, vol. 34, no. 2, Oct. 2013, pp. 14-20, https://nepjol.info./index.php/JIOM/article/view/9045.