- Correspondence to: A O Khan King Khaled Eye Specialist Hospital, PO Box 7191, Riyadh, Saudi Arabia;
- Accepted October 11, 2005
- First published December 16, 2005.
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.