International Journal of Leprosy 1990;58:39-44
Lewallen S, Hussein N, Courtright P, Ostler HB, Gelber R. Intraocular Pressure and Iris Denervation in Hansen's Disease.
The New England Journal of Medicine; 323; 929-935; October 4, 1990
Lakshmi Rahmathullah, Barbara A. Underwood, Ravilla D. Thulasiraj, Roy Milton, Kala Ramaswamy, Raheem Rahmathullah, Ganesh Babu, Reduced Mortality Among Children in Southern India Receiving A Small Weekly Dose of Vitamin A
International Ophthalmology Clinics, Volume 30, Number 1, 54-57, 1990
Pizzarello D, Louis, and Sheffield M, Victoria. “ Training Health Care Workers In Ophthalmic Care: The Experience Of Helen Keller International,”
Oxford University Press, Oxford, 1990
Schwab L, Eye Care in Developing Nations, 2nd edition
Vision Care International Ministries Inc, Savage, Maryland, USA, 1990
Henningsen MA, Introduction to Eye Care for the Local Health Worker
International Agency for Prevention of Blindness, 1990
Sheffield VM, "Management Issues in Primary Eye Care Training Programs", Proceedings of the IV Congress - Nairobi
British Journal of Ophthalmology 1990;74:333-340.
Whitfield R, Schwab L, Ross-Degnan D, et al Blindness and eye disease in Kenya: ocular status survey results from the Kenya Rural Blindness Prevention Project.
Bulletin of the World Health Organization 1990;68:347-351
Courtright P, Lee HS, Lewallen S. Training for primary eye care in leprosy.
Annals of Ophthalmology 1990;22:52-55
Lewallen S, Courtright P. Problems with current concepts of the epidemiology of Mooren's corneal ulcer.