Department of Ophthalmology (Y.F.T.), The Royal Melbourne Hospital, Parkville, Australia; Department of Cornea (E.W.T.C.), The Royal Victorian Eye and Ear Hospital, East Melbourne, Australia; and Centre for Eye Research of Australia (E.W.T.C.), East Melbourne, Australia.

Address correspondence to Yi Fan Tang, M.Ch.D., M.Clin.VisSci., Department of Ophthalmology, The Royal Melbourne Hospital, 300 Grattan Street, Parkville, Victoria 3050, Australia; e-mail: [email protected]

The authors have no funding or conflicts of interest to disclose.