Objectives: to analyze the final outcome of surgery in children with primary congenital glaucoma (PCG) presenting within the first three months of life, and to search for prognostic factors for success. Design: retrospective study of all cases with follow-up of at least 24 months. Patients: 25 children (45 eyes) with PCG presenting within the first three months of life who underwent Objectives: to analyze the final outcome of surgery in children with primary congenital glaucoma (PCG) presenting within the first three months of life, and to search for prognostic factors for success. Design: retrospective study of all cases with follow-up of at least 24 months. Patients: 25 children (45 eyes) with PCG presenting within the first three months of life who underwent