ArticleInternational ophthalmology2026
Postoperative residual refractive astigmatism analysis in cylinder correction with toric IOL in patients with different degrees of astigmatism using AS-OCT and total keratometry.
Article in International ophthalmology, 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
purposeTo analyze the refractive outcomes in patients with different degrees of astigmatism undergoing cataract surgery with toric monofocal IOL implantation.
methodsA consecutive series of patients that underwent cataract surgery and Toric IOL implantation was reviewed. The preoperative evaluation of anterior and posterior keratometry, corneal topo/tomography was performed with AS-OCT Casia 2. Basing on real cylinder, the patients were divided in three groups. Group 1: total corneal astigmatism ≤ 1D, group 2: total corneal astigmatism between 1 and 1.5 D, group 3: total corneal astigmatism ≥ 1.5D. The residual post-operative refractive astigmatism and the percentage of astigmatic correction were evaluated one months after the surgery. Vector astigmatism analysis was performed applying the Alpins method.
results100 eyes of 100 patients were enrolled. The mean post-operative refractive astigmatism (in absolute values) was 0.23 ± 0.28 D; 0.16 ± 0.27 D and 0.48 ± 0.44 D in group 1, 2 and 3 respectively. The best percentage of astigmatic correction was found in group 2 (88.05 ± 20.11%) with a significant difference with group 1 and 3. The average AE was 5.68 ± 8.33° in group 1, 2.2 ± 4.13° in group 2 and 3.97 ± 4.89° in group 3. The differences were significant in particularly between the second and the third group and less between the first and the second group. The best DV and IOS were found in group 2.
conclusionToric IOL was successfully applied in any amount of astigmatism and that the best refractive results were achieved in mild astigmatism.
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