ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2024
Prevalence data for total corneal astigmatism in cataract patients.
Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- The Role of Sex in Ocular Biometry: A Large-Scale Study of Cataract Candidates in Greece.Ophthalmology and therapy · 2026Article
- Real-world outcomes of low-cylinder-power toric intraocular lenses in eyes with mild corneal astigmatism.Journal of cataract and refractive surgery · 2026Observational
- Frequency and Age-Related Changes in Corneal Astigmatism in Cataract Surgery Candidates at a Training Hospital in Turkey.Medicina (Kaunas, Lithuania) · 2026Observational
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Authors and funding
10 authors.
Funding
Abstract
purposeTo report the prevalence data for total corneal astigmatism (TCA) in cataract patients.
methodsThe authors retrospectively collected and analyzed the preoperative biometric data of the patients who underwent cataract surgery in the Department of Ophthalmology, Peking University Third Hospital, from January 2019 to May 2023.
resultsThe mean age of the 10817 patients was 71 ± 10 years; the male/female ratio was 4653/6164. The mean TCA obtained by the IOLMaster 700 (Carl Zeiss Meditec AG, Jena, Germany), the Abulafia-Koch (AK) formula, and the Barrett toric calculator was 1.11 ± 0.81 diopter (D), 1.13 ± 0.75 D, and 1.12 ± 0.74 D respectively, which was significantly greater than the mean standard keratometric (K) astigmatism (0.99 ± 0.75 D) obtained by IOLMaster 700. Against-the-rule (ATR) astigmatism was dominant in all the TCA measurements, and its proportion increased with age. TCA measurements by different methods exhibit high variability, with a total of 1574 (8.9%) data sets from 1016 (9.4%) patients showing a difference larger than 0.5 D in at least one pair of TCA measurements.
conclusionThe use of TCA rather than K astigmatism significantly influenced the choice of intraocular lenses (IOLs) as more patients would be candidates for toric IOLs. It was essential to carefully compare and select TCA obtained with multiple methods for optimal postoperative visual quality.
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