1 Uptown Eye Specialists, Vaughan, Canada; Department of Ophthalmology & Vision Sciences, University of Toronto, Canada. Electronic address: daranayuen@gmail.com.
2 School of Medicine, Cardiff University, Cardiff, UK.
3 Uptown Eye Specialists, Vaughan, Canada; Department of Ophthalmology & Vision Sciences, University of Toronto, Canada; William Osler Health System, Brampton, Ontario, Canada.