1. Brilliant LB, Pokhrel RP, Grasset NC, Lepkowski JM, Kolstad A, Hawks W, Pararajasegaram R, Brilliant GE, Gilbert S, Shrestha SR, et al: Epidemiology of blindness in Nepal. Bull World Health Organ. 1985, 63 (2): 375-386.
2. Nepal Netra Jyoti Sangh: The epidemiology of blindness in Nepal. 2012, Kathmandu Nepal: Netra Jyoti Sangh
3. Rahmani B, Tielsch JM, Katz J, Gottsch J, Quigley H, Javitt J, Sommer A: The cause-specific prevalence of visual impairment in an urban population. The Baltimore Eye Survey. Ophthalmol. 1996, 103 (11): 1721-1726. 10.1016/S0161-6420(96)30435-1.
4. Rizyal A, Karmacharya PC, Koirala S: Profile of blindness in Nepal: a hospital based study. Nepal Med College J. 2005, 7 (1): 54-57.
5. Thapa SS, Berg RV, Khanal S, Paudyal I, Pandey P, Maharjan N, Twayna SN, Paudyal G, Gurung R, Ruit S, et al: Prevalence of visual impairment, cataract surgery and awareness of cataract and glaucoma in Bhaktapur district of Nepal: The Bhaktapur Glaucoma Study. BMC Ophthalmol. 2011, 11 (1): 2-10.1186/1471-2415-11-2.