Shrestha, S., Bhat, K., Binu, V., Barthakur, R., Natarajan, M. and Subba, S. (2010) “Pattern of refractive errors among the Nepalese population: a retrospective study”, Nepalese Journal of Ophthalmology, 2(2), pp. 87–96. doi: 10.3126/nepjoph.v2i2.3714.