Masking
SECONDARY, IOL
This is a single-blinded study, and participants are masked to the group assignment. Allocation codes are concealed before the secondary IOL implantation. Participating surgeons will be informed of the study group allocation just prior to the implantation of the IOL. The trial statistician who is responsible for the statistical analysis of the study is not involved in the assignment of treatments to participants. Research assistants determining participant eligibility, examiners, and outcome assessors cannot be masked to the group allocation because treatment can be identified from medical image.