1. From the Departments of Community, Occupational, and Family Medicine, and3Ophthalmology, National University of Singapore, Singapore; the2Singapore Eye Research Institute, Singapore; the4Singapore National Eye Centre, Singapore; the
2. From the Departments of Community, Occupational, and Family Medicine, and3Ophthalmology, National University of Singapore, Singapore; the
3. National Cancer Centre, Singapore; the
4. Centre for Eye Research Australia, Department of Ophthalmology, University of Melbourne, Melbourne, Australia; and the
5. Ophthalmology, National University of Singapore, Singapore; the2Singapore Eye Research Institute, Singapore; the4Singapore National Eye Centre, Singapore; the
6. Scheie Eye Institute, Department of Ophthalmology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania.
7. From the Departments of Community, Occupational, and Family Medicine, and3Ophthalmology, National University of Singapore, Singapore; the2Singapore Eye Research Institute, Singapore; the4Singapore National Eye Centre, Singapore; the6Centre for Eye Researc