- Professor Alan C Bird, Moorfields Eye Hospital, Professorial Unit, City Road, London EC1V 2PD
- Accepted 8 December 1999
- Published online 1 May 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.