[1]Non-govemmental Organization Vision Without Borders (Visio Sense Fronteres), Alicante 03710, Spain;
[2]School of Advanced Education, Research and Accreditation (SAERA), Castellon de la Plana 12001, Spain;
[3]Faculty of Optics and Optometry, University Complutense of Madrid, Madrid 28037, Spain;
[4]European University of Madrid, Madrid 28108, Spain;
[5]Foundation for the Visual Quality (FUNCAVIS), Alicante 03016, Spain;
[6]Department of Optics, Pharmacology, and Anatomy, University ofAlicante, Alicante 03690, Spain;