ArticleFrontiers in medicine2026
Refractive and visual changes in the fellow eye after unilateral refractive surgery in patients with anisometropia.
Article in Frontiers in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: This study aimed to investigate the changes in visual acuity and refractive status of the fellow eye after unilateral refractive surgery in patients with anisometropia and to analyze their correlation with factors such as age, degree of anisometropia, and type of ametropia. Methods: A retrospective analysis was conducted on 43 patients with anisometropia who underwent unilateral refractive surgery at the Quzhou People's Hospital, Zhejiang Province, from January 2023 to June 2025. All patients underwent femtosecond laser small incision lenticule extraction (SMILE) or femtosecond laser-assisted excimer laser Results: The preoperative SE of the operated eye was -2.95 ± 1.84 D, and that of the fellow eye was (-0.25 ± 0.46) D, with a binocular anisometropia difference of 2.71 ± 1.69 D. Within 6 months postoperatively, the refraction of the operated eye remained stable (time main effect Conclusion: In patients with anisometropia undergoing unilateral refractive surgery, the fellow eye may experience transient, reversible refractive fluctuations in the early postoperative period, most pronounced at 1 week postoperatively. However, logMAR visual acuity remains stable, indicating the good safety of this surgical approach. Clinicians need not intervene excessively or perform prophylactic bilateral surgery out of concern for visual acuity decline in the fellow eye.
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