1 Centro Oftalmologico Virgilio Galvis, Floridablanca, Colombia; Departament of Ophthalmology, Fundacion Oftalmologica de Santander FOSCAL, Floridablanca, Colombia; Faculty of Health, Department of Ophthalmology, Universidad Autónoma de Bucaramanga UNAB, Bucaramanga, Colombia.
2 Faculty of Health, Department of Surgery, Universidad Industrial de Santander UIS, Bucaramanga, Colombia.
3 Faculty of Health, Department of Ophthalmology, Universidad Autónoma de Bucaramanga UNAB, Bucaramanga, Colombia.
4 Centro Oftalmologico Virgilio Galvis, Floridablanca, Colombia; Departament of Ophthalmology, Fundacion Oftalmologica de Santander FOSCAL, Floridablanca, Colombia; Faculty of Health, Department of Ophthalmology, Universidad Autónoma de Bucaramanga UNAB, Bucaramanga, Colombia; Faculty of Health, Department of Surgery, Universidad Industrial de Santander UIS, Bucaramanga, Colombia. Electronic address: [email protected].