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      Control de la progresión del astigmatismo en la facoemulsificación Translated title: Control of the progression of astigmatism in phacoemulsification

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          Abstract

          RESUMEN Objetivo: Determinar cómo controlar la progresión del astigmatismo en la facoemulsificación para mejorar sus resultados. Métodos: Se realizó un estudio descriptivo, prospectivo, de serie de casos en 43 ojos de pacientes con diagnóstico de catarata, operados por la técnica de facoemulsificación por prechop con implante de lente intraocular plegable, en el Instituto Cubano de Oftalmología “Ramón Pando Ferrer” desde noviembre del año 2018 hasta abril de 2020. Se emplearon los porcentajes y números absolutos para las variables cualitativas, las cuantitativas, la media y la desviación estándar, con un intervalo de confianza del 95 %. Resultados: La edad media fue de 69,4 ± 8,3 años (51,16 %); la dureza NO3; la mejor agudeza visual sin corrección mejoró en el 76,75 % entre 0,8 a 1,0; la queratometría media pre- vs. posoperatoria no mostró diferencias estadísticamente significativas; el cilindro refractivo posoperatorio fue menor de 0,5 dioptrías en el 72,09 %; el 51,17 % de los ojos en el preoperatorio tenían astigmatismo refractivo contra la regla, lo cual mejoró según esta al mes de operado en el 60,47 % de los pacientes. La calidad de vida en el 100 % de los casos fue muy buena al mes de operados, según FV-14. Conclusiones: La corrección del astigmatismo con las incisiones personalizadas en la facoemulsificación ofrece buena predictibilidad y mejora su calidad visual y de vida.

          Translated abstract

          ABSTRACT Objective: Determine how to control the progression of astigmatism in phacoemulsification to improve its results. Methods: A descriptive prospective study was conducted of a case series of 43 eyes of cataract patients undergoing prechop phacoemulsification with foldable intraocular lens implantation at Ramón Pando Ferrer Cuban Institute of Ophthalmology from November 2018 to April 2020. Percentages and absolute numbers were used for qualitative variables, and mean and standard deviation for quantitative variables, with a confidence interval of 95%. Results: Mean age was 69.4 ± 8.3 years (51.16%); hardness was NO3; in 76.75% best uncorrected visual acuity improved 0.8-1.0; pre- vs. postoperative mean keratometry did not show any statistically significant differences; in 72.09% the postoperative refractive cylinder was smaller than 0.5 diopters; 51.17% of the eyes had preoperative refractive against-the-rule astigmatism, improving at one month postoperative in 60.47%. Quality of life by the VF-14 survey was very good in 100% of the patients one month after surgery. Conclusions: Correction of astigmatism with personalized incisions in phacoemulsification provides good predictability and improves visual quality and quality of life.

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          Most cited references31

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          Prevalence of corneal astigmatism before cataract surgery.

          To analyze the prevalence and presentation patterns of corneal astigmatism in cataract surgery candidates. University of Valencia, Valencia, Spain. Refractive and keratometric values were measured before surgery in patients having cataract extraction. Descriptive statistics of refractive and keratometric cylinder data were analyzed and correlated by age ranges. Refractive and keratometric data from 4,540 eyes of 2,415 patients (mean age 60.59 years +/- 9.87 [SD]; range 32 to 87 years) differed significantly when the patients were divided into 10-year subsets. There was a trend toward less negative corneal astigmatism values, except the steepest corneal radius and the J(45) vector component, in older groups (Kruskal-Wallis, P<.01). In 13.2% of eyes, no corneal astigmatism was present; in 64.4%, corneal astigmatism was between 0.25 and 1.25 diopters (D) and in 22.2%, it was 1.50 D or higher. Corneal astigmatism less than 1.25 D was present in most cataract surgery candidates; it was higher in about 22%, with slight differences between the various age ranges. This information is useful for intraocular lens (IOL) manufacturers to evaluate which age ranges concentrate the parameters most frequently needed in sphere and cylinder powers and for surgeons to evaluate which IOLs provide the most effective power range.
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            Femtosecond laser-assisted cataract surgery versus standard phacoemulsification cataract surgery: Study from the European Registry of Quality Outcomes for Cataract and Refractive Surgery.

            To compare the visual, refractive, and adverse outcomes of femtosecond laser-assisted cataract surgery and conventional phacoemulsification cataract surgery.
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              The location of incision in cataract surgery and its impact on induced astigmatism.

              The purpose of the present study is a systematic review of previous studies on choosing the best incision site for the correction of astigmatism in cataract surgery and assessing the amount of surgically induced astigmatism (SIA) with each approach.
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                Author and article information

                Journal
                oft
                Revista Cubana de Oftalmología
                Rev Cubana Oftalmol
                Editorial Ciencias Médicas (Ciudad de la Habana, , Cuba )
                0864-2176
                1561-3070
                June 2021
                : 34
                : 2
                : e1009
                Affiliations
                [1] La Habana orgnameInstituto Cubano de Oftalmología “Ramón Pando Ferrer” Cuba
                Article
                S0864-21762021000200008 S0864-2176(21)03400200008
                4dc5d33f-f0a8-477a-ad08-39cc9c301cb9

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 19 November 2020
                : 14 July 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 32, Pages: 0
                Product

                SciELO Cuba

                Categories
                INVESTIGACIONES

                Astigmatism,cataract,phacoemulsification,quality of life,Astigmatismo,catarata, facoemulsificación,calidad de vida

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