40
Participants
Start Date
November 30, 2014
Primary Completion Date
June 30, 2015
Study Completion Date
October 31, 2015
Codeine
Patients submitted to photorefractive keratectomy received codeine 50mg plus paracetamol 500mg every 6h for 72h after the procedure
paracetamol
Patients submitted to photorefractive keratectomy received codeine 50mg plus paracetamol 500mg every 6h for 72h after the procedure
placebo
Patients submmitted to photorefractive keratectomy received placebo, in the form of a pill of similar appearance to the comparator, every 6h for 72h after the
Universidade de São Paulo (USP) - Refractive surgery department, São Paulo
University of Sao Paulo General Hospital
OTHER