Benefits of blue light-filtering intraocular lenses for subjective sleep quality: A systematic review and meta-analysis.

The random-effects model indicated a trivial improvement in subjective sleep quality for the BF-IOL group (SMD = 0.10, 95% CI: 0.00–0.21), which did not reach statistical significance compared with the standard IOL group (SMD = 0.10, 95% CI: 0.00–0.21, Fig. 4 ) 4 to 12 months post-implantation, with moderate heterogeneity across trials ( P = .01, I 2 = 69%, Fig. 4 ).

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