title: Reply.
authors.affiliation: *Department of Ophthalmology, Loyola University at Chicago, Maywood, IL †Thomas John Vision Institute, Tinley Park, IL ‡Ocular Surface Center, Miami, FL §Department of Ophthalmology, Herbert Wertheim College of Medicine, Florida International University, Miami, FL.
authors.forename: Thomas
authors.initials: T
authors.lastname: John
authors.forename: Hosam
authors.initials: H
authors.lastname: Sheha
authors.forename: Anny M S
authors.initials: AM
authors.lastname: Cheng