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Prevalence of corneal astigmatism in cataract surgery candidates at a public hospital in Brazil

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Resumo:ABSTRACT Purpose: To assess the frequency of corneal astigmatism before cataract surgery in a Brazilian sample. Methods: This clinic-based cross-sectional study was conducted at the Bonsucesso Federal Hospital, Rio de Janeiro, Brazil. Charts of patients who underwent cataract surgery over a two-year period were retrospectively reviewed, and preoperative keratometric measurements were collected and analyzed. Results: A total of 1707 eyes of 1045 patients were enrolled. The corneal astigmatism was less than 1.0 D in 971 eyes (56.9%), 1.0-1.99 D in 496 eyes (29.1%), 2.0-2.99 D in 157 eyes (9.2%), and more than 3.0 D in 83 eyes (4.9%). The mean corneal astigmatism was 0.92 ± (SD) 0.96 D (range 0 - 10.25 D). Conclusion: Over 40% of the patients undergoing cataract surgery enrolled in this study had more than 1.0 D of corneal astigmatism and may benefit from the use of toric intraocular lenses. These data can be useful for planning to make this technology available for patients.
Autores principais:Theiss,Mara Barreto
Outros Autores:Santhiago,Marcony R.; Moraes Jr,Haroldo V.; Gomes,Beatriz Fiuza
Assunto:Astigmatism/epidemiology Cataract extraction/adverse effects Lenses, intraocular Cross-sectional study Brazil
Ano:2019
País:Brasil
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:IBICT
Idioma:inglês
Origem:Oasisbr

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