1. Male' Eye Clinic, Male', Maldives,
2. Department of Ophthalmology, Indira Gandhi Memorial Hospital, Male', Maldives,
3. Eye Care Clinic, Male', Maldives,
4. London School of Hygiene and Tropical Medicine, London, United Kingdom,
5. Department of Optometry and Vision Science, School of Medicine, Flinders University, Bedford Park, South Australia, Australia,