Department of Ophthalmology, Centro Hospitalar Universitário de São João, Porto, Portugal (S.T.-C., F.F.-R., M.F.); Faculty of Medicine, University of Porto, Porto, Portugal (M.C.A.V.); and Department of Surgery and Physiology, Faculty of Medicine, University of Porto, Porto, Portugal (F.F.-R., M.F.) sonia.torres.costa@gmail.com. Department of Ophthalmology, Centro Hospitalar Universitário de São João, Porto, Portugal (S.T.-C., F.F.-R., M.F.); Faculty of Medicine, University of Porto, Porto, Portugal (M.C.A.V.); and Department of Surgery and Physiology, Faculty of Medicine, University of Porto, Porto, Portugal (F.F.-R., M.F.). Department of Ophthalmology, Centro Hospitalar Universitário de São João, Porto, Portugal (S.T.-C., F.F.-R., M.F.); Faculty of Medicine, University of Porto, Porto, Portugal (M.C.A.V.); and Department of Surgery and Physiology, Faculty of Medicine, University of Porto, Porto, Portugal (F.F.-R., M.F.) falcao@med.up.pt.