- Sao-Bing Lee, Singapore Eye Research Institute, W212, Singapore Polytechnic, 500 Dover Road, Singapore 139651
- Accepted February 3, 2000
- First published July 1, 2000.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.