Eligible patients who gave signed, informed consent were randomly assigned to surgery (within 8 days of randomization) or observation. Patients, assigned to surgery, are seen one month post-surgery for an examination and photographs. All participants are examined at 3, 6, 12, 24, 36, and 48 months after randomization to collect vision data (collected in a masked fashion at 24 and 48 months after randomization) and to repeat photography. Quality of life telephone interviews are repeated at 6, 12, 24, 36, and 48 months after randomization.