John, N; Murthy, GVS; Komal, PA; Sagar, J; Kamalakannan, SK; (2014) Sex Differences in the uptake of health care services in persons with disabilities. Identifying barriers to health care access. Technical Report. South Asia Centre for Disability Inclusive Development and Research, (SACDIR), Indian Institute of Public Health, Hyderabad, India. http://researchonline.lshtm.ac.uk/id/eprint/2274742

Murthy, GV; John, N; Shamanna, BR; Pant, HB; (2012) Elimination of avoidable blindness due to cataract: Where do we prioritize and how should we monitor this decade? Indian journal of ophthalmology, 60 (5). pp. 438-45. ISSN 0301-4738 DOI: https://doi.org/10.4103/0301-4738.100545

Ravindran, RD; Vashist, P; Gupta, SK; Young, IS; Maraini, G; Camparini, M; Jayanthi, R; John, N; Fitzpatrick, KE; Chakravarthy, U; +2 more... Ravilla, TD; Fletcher, AE; (2011) Inverse association of vitamin C with cataract in older people in India. Ophthalmology, 118 (10). 1958-1965.e2. ISSN 0161-6420 DOI: https://doi.org/10.1016/j.ophtha.2011.03.016

Ravindran, RD; Vashist, P; K Gupta, S; S Young, I; Maraini, G; Camparini, M; Jayanthi, R; John, N; Fitzpatrick, KE; Chakravarthy, U; +2 more... Ravilla, TD; Fletcher, AE; (2011) Prevalence and risk factors for vitamin C deficiency in north and South India: a two centre population based study in people aged 60 years and over. PloS one, 6 (12). e28588. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0028588

Vashist, P; Talwar, B; Gogoi, M; Maraini, G; Camparini, M; Ravindran, RD; Murthy, GV; Fitzpatrick, KE; John, N; Chakravarthy, U; +2 more... Ravilla, TD; Fletcher, AE; (2011) Prevalence of Cataract in an Older Population in India The India Study of Age-related Eye Disease. Ophthalmology, 118 (2). 272-8.e1-2. ISSN 0161-6420 DOI: https://doi.org/10.1016/j.ophtha.2010.05.020

Krishnan, T; Ravindran, RD; Murthy, GV; Vashist, P; Fitzpatrick, KE; Thulasiraj, RD; John, N; Maraini, G; Camparini, M; Chakravarthy, U; +1 more... Fletcher, AE; (2010) Prevalence of early and late age-related macular degeneration in India: the INDEYE Study. Investigative ophthalmology & visual science, 51 (2). pp. 701-7. ISSN 0146-0404 DOI: https://doi.org/10.1167/iovs.09-4114

Murthy, GV; Vashist, P; John, N; Pokharel, G; Ellwein, LB; (2010) Prevelence and causes of visual impairment and blindness in older adults in an area of India with a high cataract surgical rate. Ophthalmic epidemiology, 17 (4). pp. 185-95. ISSN 0928-6586 DOI: https://doi.org/10.3109/09286586.2010.483751 Full text not available from this repository.

Lindfield, R; Turner, E; John, N; Gilbert, C; (2009) Cataract surgery and mortality. The British journal of ophthalmology, 93 (7). 985; author reply 985-6. ISSN 0007-1161 DOI: https://doi.org/10.1136/bjo.2008.155242 Full text not available from this repository.

Murthy, GV; Vashist, P; John, N; Pokharel, G; Ellwein, LB; (2009) Prevalence and vision-related outcomes of cataract surgery in Gujarat, India. Ophthalmic epidemiology, 16 (6). pp. 400-9. ISSN 0928-6586 DOI: https://doi.org/10.3109/09286580903315809 Full text not available from this repository.

Dherani, M; Murthy, GV; Gupta, SK; Young, IS; Maraini, G; Camparini, M; Price, GM; John, N; Chakravarthy, U; Fletcher, AE; (2008) Blood levels of vitamin C, carotenoids and retinol are inversely associated with cataract in a north Indian population. Investigative ophthalmology & visual science, 49 (8). pp. 3328-35. ISSN 0146-0404 DOI: https://doi.org/10.1167/iovs.07-1202

John, N; Murthy, GV; Vashist, P; Gupta, SK; (2008) Work capacity and surgical output for cataract in the national capital region of Delhi and neighbouring districts of north India. Indian journal of public health, 52 (4). pp. 177-84. ISSN 0019-557X http://researchonline.lshtm.ac.uk/id/eprint/4388 Full text not available from this repository.

Krishnan, T; Ravindran, RD; Murthy, GVS; Vashist, P; Fitzpatrick, KE; John, N; Maraini, G; Camparini, M; Chakravarthy, U; Fletcher, AE; (2008) Prevalence of Early and Late Age-Related Macular Degeneration in India: The INDEYE Study. Investigative ophthalmology & visual science, 49 (5). 2453-. ISSN 0146-0404 http://abstracts.iovs.org/cgi/content/abstract/49/... Full text not available from this repository.

Vashist, P; Murthy, GVS; Ravindran, RD; Krishnan, T; Maraini, G; Camparini, M; Fitzpatrick, KE; John, N; Fletcher, AE; Chakravarthy, U; (2008) Prevalence of Lens Opacities in India: The INDEYE Study. Investigative ophthalmology & visual science, 49 (5). 2868-. ISSN 0146-0404 http://abstracts.iovs.org/cgi/content/abstract/49/... Full text not available from this repository.