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Arch Soc Esp Oftalmol (Engl Ed) ; 96(8): 408-414, 2021 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-34340778

RESUMEN

PURPOSE: The aim of this study was to compare the results of intrastromal arcuate incisions (AIs) and transepithelial AIs to treat corneal astigmatism during femtosecond laser-assisted cataract surgery (FLACS). METHODS: This retrospective study included 20 patients with corneal astigmatism between 0.70 and 2.00 diopters (D) who underwent FLACS with concurrent intrastromal AIs in one eye and transepithelial AIs in the fellow eye. The main outcomes measures at 2-3 months of follow-up were the difference between pre-operative and postoperative keratometric corneal cylinder (Kcyl), the correction index (CI) and the percentage of overcorrection. RESULTS: The mean difference between preoperative and postoperative Kcyl revealed a mean value of 0.36 ±â€¯0.37 D in the transepithelial group and 0.53 ±â€¯0.42 D in the intrastromal group (p < 0.001). The mean CI was 0.83 ±â€¯0.71 in the transepithelial group and 0.68 ±â€¯0.29 in intrastromal group (p = 0.17). Five eyes (25 %) had an astigmatism overcorrection in the transepithelial group and 1 eye (5%) in the intrastromal group. CONCLUSIONS: Both intrastromal and transepithelial AIs showed potential for mild to moderate astigmatism correction and appeared to be a safe procedure. Despite transepithelial AIs presented a higher CI, the intrastromal AIs results were more predictable.


Asunto(s)
Astigmatismo , Catarata , Astigmatismo/cirugía , Topografía de la Córnea , Humanos , Terapia por Láser , Rayos Láser , Refracción Ocular , Estudios Retrospectivos , Agudeza Visual
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