- Correspondence to Dr Geetha Iyer, CJ Shah Cornea Services, Dr G Sitalakshmi Memorial Clinic for Ocular Surface Disorders, Medical Research Foundation, Sankara Nethralaya, 18 College Road, Chennai 600006, India;
- Received 14 April 2017
- Revised 21 August 2017
- Accepted 25 August 2017
- Published in print 28 September 2017.
- Published first 13 September 2017.
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