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In the recently published study by Nizamani et al,1 the authors collected data on a best corrected visual acuity (BCVA) following cataract surgery among a group of patients with Urrets-Zavalia syndrome. Using a repeated-measures design, data were collected from subjects preoperatively and at first day, first week and first month postoperatively. We would like to comment on the author's methodology as well as the statistical analysis used.
To assess improvement in vision, the authors compared preoperative vision and 1 month postoperative vision (see table 3 in original …
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