- Correspondence to Catherine A Egan, Moorfields Eye Hospital NHS Foundation Trust, 162 City Road, London, EC1V 2PD, UK;
- Received October 31, 2016
- Revised March 14, 2017
- Accepted March 19, 2017
- First published May 9, 2017.
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.