- Correspondence to: Dr M H Colyer Ophthalmology Clinic-1F, Walter Reed Army Medical Center, Washington, DC 20307, USA;
- Accepted 1 September 2006
- Published online 19 March 2007.
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.