1. Pascolini D, Mariotti SP (2011) Global estimates of visual impairment: 2010. Br J Ophthalmol. doi:
10.1136/bjophthalmol2011-300539
2. WHO South East Regional Office (2012) Situational analysis of VISION 2020 in the WHO South East Asia region 2012
3. Universal eye health (2013) A global action plan 2014–2019.WHO publication. ISSN: 978 92 4 150656
4. Dandona L, Dandona R, Srinivas M, Giridhar P, Vilas K, Prasad MN, John RK, McCarty CA, Rao GN (2001) Blindness in the Indian state of Andhra Pradesh. Invest Ophthalmol Vis Sci 42:908–916
5. Murthy GV, Gupta SK, Bachani D, Jose R, John N (2005) Current estimates of blindness in India. Br J Ophthalmol 89:257–260