Eye (2008) 22, 1191–1193; doi:10.1038/sj.eye.6702959; published online 24 August 2007

Since the publication of the above article, the authors have noticed that one of the author names was missing.

The correct list of authors is shown below:

J Pulido, SA Cross, VA Lennon, J Pulido, D Swanson, M Muench and DH Lachance

The typesetters would like to apologise for this mistake.