ArticleFrontiers in medicine2026
Vector outcomes after SMILE pro with the VISUMAX 800 for high versus moderate-to-low astigmatism: a contralateral eye comparison.
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
Purpose: To evaluate vector outcomes and higher-order aberrations (HOAs) in eyes with high astigmatism (HA) and their contralateral eyes with moderate-to-low astigmatism (MLA) after small-incision lenticule extraction (SMILE Pro) with automated cyclotorsion compensation. Methods: This single-center retrospective study included 30 patients (60 eyes) who underwent bilateral SMILE Pro using the VISUMAX 800 platform with OcuLign iris registration. The eyes were classified as HA [> 2.00 diopters (D)] or MLA (≤ 2.00 D) according to their preoperative cylinder magnitude. Visual acuity, refractive outcomes, Alpins vector parameters, intraoperative decentration, and HOAs were compared at 6 months after surgery. Results: The mean preoperative manifest cylinder was 2.38 ± 0.25 D in HA eyes and 1.41 ± 0.49 D in MLA eyes. At 6 months, uncorrected distance visual acuity was comparable between eye groups ( Conclusion: In this small retrospective contralateral-eye cohort, SMILE Pro with OcuLign-assisted cyclotorsion compensation showed favorable 6-month visual, refractive, and vector outcomes in eyes with astigmatism slightly above 2.00 D. These findings should be interpreted cautiously given the modest sample size, narrow HA range, and absence of a non-inferiority design.
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