Paudel, P., J. Khadka, A.K. Sharma, S. Shakya, J.K. Shrestha, and D.N. Shah. 2007. “Increase Use of Contact Lenses for Optical Correction”. Journal of Institute of Medicine Nepal 28 (1):16-19. https://nepjol.info./index.php/JIOM/article/view/429.