title: Authors' reply.
authors.affiliation: Department of Ophthalmology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
authors.forename: Subashini
authors.initials: S
authors.lastname: Kaliaperumal
authors.affiliation: Department of Ophthalmology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
authors.forename: Vasudev Anand
authors.initials: VA
authors.lastname: Rao
authors.affiliation: Department of Ophthalmology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
authors.forename: Shruthi B
authors.initials: SB
authors.lastname: Harish
authors.affiliation: Department of Ophthalmology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
authors.forename: Lavanya
authors.initials: L
authors.lastname: Ashok