- Frank D Verbraak, University of Amsterdam, Academic Medical Centre, Department of Ophthalmology, Room G2–245, PO Box 22700, 1100 DE Amsterdam, Netherlands.
- Accepted May 24, 1999
- First published October 1, 1999.
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.