Randomized comparative clinical study of cryoanalgesia versus topical anesthesia in clear corneal phacoemulsification.

PURPOSE To compare intraoperative pain scores and objective stress signs during clear corneal phacoemulsification under cryoanalgesia and topical anesthesia. SETTING Hospital Ramón y Cajal, Madrid, and Hospital Universitario Nuestra Sra. de la Candelaria, Tenerife, Canary Islands, Spain. METHODS Eighty-two patients were randomized to have… CONTINUE READING