title: Reply.
authors.affiliation: Department of Ophthalmology and Byers Eye Institute, Stanford University School of Medicine, Palo Alto, California.
authors.forename: Michael F
authors.initials: MF
authors.lastname: Marmor
authors.affiliation: Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Kowloon, Hong Kong.
authors.forename: Timothy Y Y
authors.initials: TY
authors.lastname: Lai
authors.affiliation: Zentrum für Seltene Netzhauterkrankungen, AugenZentrum Siegburg, Siegburg, Germany.
authors.forename: Ulrich
authors.initials: U
authors.lastname: Kellner
authors.affiliation: Department of Ophthalmology, Kaiser Permanente, Redwood City Medical Center, Redwood City, California.
authors.forename: Ronald B
authors.initials: RB
authors.lastname: Melles
authors.affiliation: Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois, Chicago, Illinois.
authors.forename: William F
authors.initials: WF
authors.lastname: Mieler