1. Queratoplastia refractiva;Barraquer;Estud e Inf Oftalmológicas,1949
2. Refractive keratoplasty with intrastromal hydrogel lenticular implants;McCarey;Invest Ophthalmol Vis Sci,1981
3. Hydrogel keratophakia: a freehand pocket dissection in the monkey model;McCarey;Br J Ophthalmol,1986
4. Eight years experience with Permalens intracorneal lenses in nonhuman primates;Werblin;Refract Corneal Surg,1992
5. Permalens hydrogel intracorneal lenses for spherical ametropia;Barraquer;J Refract Surg,1997