From the Darshan Eye Clinic & Surgical Centre, Chennai, Tamil Nadu, India.
Received for publication May 15, 2012; accepted May 18, 2012.
The author has no funding or conflicts of interest to declare.
Reprints: Srinivas K. Rao, DO, DNB, FRCSEd, Darshan Eye Clinic & Surgical Centre, T 80, Fifth Main Rd, Anna Nagar, Chennai 600040, Tamil Nadu, India. E-mail: email@example.com.