Affiliation: | From the Institute of Vision and Optics (Kontadakis, Plainis, Tsika, Pallikaris, Tsilimbaris), School of Health Sciences, and the Department of Social Medicine (Moschandreas), University of Crete, and Department of Ophthalmology (Kontadakis, Tsika, Pallikaris, Tsilimbaris), University Hospital of Crete, Greece |