Menezes, C.; Rodrigues, P.; Resende, R. A.; Lemos, J. A.; Coelho, P.; Vieira, B. C.; Serino, J.; Gonçalves, R.; Tenedório, P. Keratometric Index Variation in Keratoconic Eyes before and After Intacs-SK Implantation. OftalSPO 2015, 39, 17-22.