Carlos Laria1, David P Piñero2. 1. Department of Ophthalmology (OFTALMAR), Vithas Medimar International Hospital, Alicante 03016, Spain ; Foundation for the Visual Quality (FUNCAVIS, Fundación para la Calidad Visual), Alicante 03016, Spain. 2. Department of Ophthalmology (OFTALMAR), Vithas Medimar International Hospital, Alicante 03016, Spain ; Foundation for the Visual Quality (FUNCAVIS, Fundación para la Calidad Visual), Alicante 03016, Spain ; Department of Optics, Pharmacology and Anatomy, University of Alicante, San Vicente del Raspeig, Alicante 03690, Spain.