title: Reply.
authors.affiliation: Laboratory of Performance and Visual Function, Department of Ophthalmology, University of California, San Diego, La Jolla, California.
authors.forename: Alberto
authors.initials: A
authors.lastname: Diniz-Filho
authors.affiliation: Laboratory of Performance and Visual Function, Department of Ophthalmology, University of California, San Diego, La Jolla, California.
authors.forename: Ricardo Y
authors.initials: RY
authors.lastname: Abe
authors.affiliation: Laboratory of Performance and Visual Function, Department of Ophthalmology, University of California, San Diego, La Jolla, California.
authors.forename: Hyong Jin
authors.initials: HJ
authors.lastname: Cho
authors.affiliation: Laboratory of Performance and Visual Function, Department of Ophthalmology, University of California, San Diego, La Jolla, California.
authors.forename: Saif
authors.initials: S
authors.lastname: Baig
authors.affiliation: Laboratory of Performance and Visual Function, Department of Ophthalmology, University of California, San Diego, La Jolla, California.
authors.forename: Carolina P B
authors.initials: CP
authors.lastname: Gracitelli
authors.affiliation: Laboratory of Performance and Visual Function, Department of Ophthalmology, University of California, San Diego, La Jolla, California. Electronic address: fmedeiros@ucsd.edu.
authors.forename: Felipe A
authors.initials: FA
authors.lastname: Medeiros