- Correspondence to Pravin K Vaddavalli, Cornea and Anterior Segment Services, L.V. Prasad Eye Institute, LV Prasad Marg, Kallam Anji Reddy Campus, Banjara Hills, Hyderabad 500034, India;
- Received September 10, 2012
- Revised February 10, 2013
- Accepted March 17, 2013
- First published April 23, 2013.
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.