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Intraoperative screen captures. (A) Pupil outlined with ellipse tool and center of pupil identified. (B) Decentration from pupil center measurement. Small blue dot = pupil center. Green dot = fixation light. (C) Horizontal pupil diameter measurement. (D) Vertical pupil diameter measurement. (E) Red dot = kappa intercept derived from Orbscan. Distance between fixation light and kappa intercept is calculated by trigonometry.
