ArticleClinical ophthalmology (Auckland, N.Z.)2025
Refractive Predictability After Keratorefractive Lenticule Extraction Using a New Nomogram Creation Software Tool Compared to a Matched Control.
Article in Clinical ophthalmology (Auckland, N.Z.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: The study aimed to assess the impact of VISULYZE nomogram software on refractive outcomes after lenticule extraction for myopia and myopic astigmatism correction. Methods: This ambispective, single-site, matched case-control study was conducted at West China Hospital in Chengdu, China. Treatments using the VISULYZE nomogram were compared to a control group without it. The main outcome was refractive accuracy at 3 months, measured by the proportion of eyes achieving a spherical equivalent (SEQ) within ±0.50 D of the target and astigmatism ≤0.50 D. Results: The study involved 180 eyes, with 90 treated using VISULYZE and 90 matched controls analyzed retrospectively. In the VISULYZE group, 98.9% achieved SEQ within ±0.50 D versus 85.6% in the control group (P<0.001). Astigmatism ≤0.50 D was achieved in 100% of VISULYZE-treated eyes compared to 93.3% in controls (P=0.006). Both groups had similar safety indices. VISULYZE showed higher correlations between attempted and achieved SEQ (R²=0.9799) and astigmatism (R²=0.8996) compared to the control group (SEQ: R²=0.9590; Astig: R²=0.5992). Standard efficacy and safety measures showed no difference between groups. Conclusion: The VISULYZE-generated nomogram demonstrated improved predictability and accuracy in refractive outcomes. It may enhance results for surgeons compared to those using no nomogram or a standard offset nomogram.
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