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Changes in Straylight after Cataract Surgery

Publication year 2023
Published in Journal of Cataract and Refractive Surgery
Authors Nicolaas J Reus, Thomas J T P van den Berg

PURPOSE: To investigate straylight in the immediate postoperative period after cataract surgery.

SETTING: Amphia hospital, Breda, The Netherlands.

DESIGN: Prospective, comparative, single-arm, single-centre, single-surgeon study.

METHODS: Patients underwent cataract surgery on both eyes. One eye was randomly selected for implantation with a Clareon CNA0T0 IOL; the fellow eye received a Vivinex XY1 IOL. Straylight was measured with the C-Quant straylight meter.

RESULTS: Twenty-five patients were included. Preoperatively, 1 day, 1 week, 1 month, and 3 months after surgery, eyes with a CNA0T0 IOL had straylight levels (mean ± SD) of 1.48 ± 0.23, 1.26 ± 0.20, 1.06 ± 0.19, 1.11 ± 0.25, and 1.09 ± 0.20 log(s), respectively. For eyes with an XY1 IOL, these values were 1.48 ± 0.21, 1.41 ± 0.41, 1.10 ± 0.20, 1.13 ± 0.20, and 1.16 ± 0.20 log(s), respectively. From one week after surgery, straylight values did not change (1w vs. 3m: P = 0.40 and P = 0.14 and 1m vs. 3m: P = 0.74 and P = 0.50 for CNA0T0 and XY1, respectively). The Pearson correlation coefficient for straylight values between the two eyes of individual subjects was 0.80 at 3m.

CONCLUSIONS: Straylight levels can be considered stable one week after cataract surgery. We believe it is safe to use straylight measurements one month after surgery for clinical trials. Straylight is highly correlated between the two eyes of an individual after surgery.

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