1. Ortoqueratología nocturna. in: ortoqueratología nocturna. Madrid: colegio Nacional De Ópticos-Optometristas de españa;Villa Collar,2007
2. Orthokeratology: principles and practice;Mountford,2004
3. Orthofocus techniques;Jessen;Contacto,1962
4. Orthokeratology for myopic children: wolf in sheep’s clothing?;Kwok;Graefes Arch Clin Exp Ophthalmol,2005
5. Corneal response to orthokeratology;Swarbrick;Optom Vis Sci,1998