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      Implante de lentes intraoculares tóricas Acrysof® en cirugía de la catarata Translated title: Acrysof® toric intraocular lens implantation in cataract surgery

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          Abstract

          Propósito: Valorar los resultados a medio plazo del implante de lentes intraoculares tóricas Acrysof en 54 pacientes (54 ojos). Método: Los parámetros analizados fueron mejor agudeza visual sin corrección (AVSC) y agudeza visual mejor corregida (AVMC), astigmatismo preoperatorio y residual postoperatorio, y rotación de la lente globalmente y en cada modelo de lente intraocular empleado. Resultados: A los 2 meses del seguimiento, la AVSC media total fue de 0,83 (DS: 0,14) Snellen, estando el 73,9% de ellos con AVSC >0,8 y el 32,6% en 1,0. La AVMC fue de 0,94 (DS: 0,10). El astigmatismo medio preoperatorio fue de -2,25 dioptrías (D) (DS: 0,78), siendo el astigmatismo medio postoperatorio total de -0,32 D (DS: 0,56), con diferencia estadísticamente significativa entre ambos grupos (p<0,001). Desglosado por tipo de lente el astigmatismo fue -0,1 para las lentes T3, -0,27 D para las T4, y -0,43 para las T5, sin diferencias significativas entre los grupos estudiados (p=0,483). La rotación media del eje de la LIO respecto al eje previsto fue de 3,87±3,25 grados, con rotación menor a 10º en el 91,6% de las LIO implantadas. Discusión: Las lentes tóricas modelo Acrysof T3, T4 y T5 permiten corregir el astigmatismo preoperatorio con un porcentaje elevado de éxito en lo que a AVSC y astigmatismo residual postoperatorio se refiere, con un mínimo grado de rotación de la lente a los 2 meses.

          Translated abstract

          Aim: To assess the medium term outcomes of Acrysof® toric intraocular lens implantation in 54 patients (54 eyes). Methods: Uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), preoperative astigmatism, residual postoperative astigmatism, and global average and model-specific intraocular lens (IOL) rotation grade were analyzed. Results: At 2-months of follow-up,the mean UCVA was 0.83 (SD: 0.14) Snellen scale, with 73.9% of the patients >0.8, and 32.6% with 1.0. Mean BCVA achieved was 0.94 (SD: 0.10). Mean preoperatory astigmatism was -2.25 diopters (D) (SD: 0.78), and mean postoperative astigmatism was -0.32 D (SD: 0.56), with significant differences between both groups (p<0.001). Model-specific mean residual astigmatism was -0.1 D for T3, -0.27 D for T4 and -0.43 D for T5, without significant differences between the three models (p=0.483). Mean IOL-axis rotation grade was 3.87±3.25 degrees, with 91.6% of implanted lens within 10º of predicted axis. Discussion: T3, T4 and T5 Acrysof® Toric intraocular lenses can correct preoperative astigmatism with a high success rate in terms of UCVA, and residual postoperative astigmatism, with minimum IOL-rotation grade at 2 months follow-up period.

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          Comparative rotational stability of single-piece open-loop acrylic and plate-haptic silicone toric intraocular lenses.

          To prospectively compare the early rotational stability of AcrySof SN60T toric intraocular lenses (IOLs) with that in a retrospective series of AA4203 toric IOLs. Private practice, Los Altos, California, USA. One hundred consecutive eyes with an AcrySof SN60T(3, 4, or 5) toric IOL were compared with a consecutive series of 90 AA4203 (TL or TF) toric IOLs. The same surgeon performed all IOL implantations using an identical surgical technique. In addition to deviation from the desired axis, the change in refractive cylinder was measured 1 month postoperatively. Although surgery was performed during different time periods, the 2 populations had a similar distribution of patient age, axial lengths, and spherical IOL powers. In the AcrySof SN60T group, 90%, 99%, and 100% of the IOLs were aligned at or within 5, 10, and 15 degrees, respectively, of the desired axis and in the AA4203 group, 70%, 90%, and 97%, respectively. The mean IOL rotation was 5.56 degrees +/- 8.49 (SD) in the AA4203 group and 3.35 +/- 3.41 degrees in the AcrySof SN60T group (P = .0232). One AcrySof SN60T IOL (1%) and 8 AA4203 IOLs (8.9%) were 15 degrees or more off axis (P = .01). No AcrySof SN60T IOL and 3.3% of AA4203 IOLs required surgical repositioning. Both toric IOLs had good rotational stability and were effective in reducing preexisting corneal astigmatism. Based on the mean axis deviation and the number of IOLs rotating 15 degrees or more, the AcrySof SN60T toric IOL showed statistically better rotational stability.
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            Foldable toric intraocular lens for astigmatism correction in cataract patients.

            To evaluate the results of AcrySof toric intraocular lens (IOL) (Alcon) implantation to correct preexisting astigmatism in patients having cataract surgery. Ophthalmology Service, Donostia Hospital, San Sebastián, Spain. This prospective observational study included 30 eyes of 15 consecutive patients with more than 1.00 diopter (D) of preexisting corneal astigmatism having cataract surgery. Bilateral implantation of the AcrySof toric IOL was performed after phacoemulsification. The uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), residual refractive sphere, residual keratometric and refractive cylinders, and toric IOL axis were measured. The UCVA was 20/40 or better in 93.3% of eyes and 20/25 or better in 66.6%. All eyes achieved 20/25 or better BCVA. The mean refractive cylinder decreased significantly after surgery from -2.34 D +/- 1.28 (SD) to -0.72 +/- 0.43 D (P<.01). Vector analysis of attempted versus achieved correction showed that 100% of eyes were within +/-1.00 D and 80% and 93.9% were within +/-0.50 D for J(0) and J(45), respectively. The mean toric IOL axis rotation was 3.63 +/- 3.11 degrees, with rotation less than 10 degrees in 96.7% of eyes. The results indicate that phacoemulsification and posterior chamber AcrySof toric IOL implantation is an effective option to correct preexisting astigmatism in cataract surgery. The AcrySof toric IOL showed good rotational stability.
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              Astigmatism management in cataract surgery with the AcrySof toric intraocular lens.

              To present clinical data from a single-center prospective clinical trial of the AcrySof toric intraocular lens (IOL). Academic Hospital Maastricht, Maastricht, The Netherlands. Fifty-three eyes (43 patients) had implantation of an AcrySof toric IOL. Three toric models were evaluated in cylinder powers of 1.50 diopters (D) (SN60T3; T3 group, n = 16), 2.25 D (SN60T4; T4 group, n = 14), and 3.00 D (SN60T5; T5 group, n = 23) at the IOL plane. The T5 group was subdivided into eyes that could be fully corrected (T5a, n = 13) and eyes that could be partially corrected (T5b, n = 10). Four months postoperatively, the mean uncorrected visual acuity (UCVA) was 0.77 +/- 0.23 in the T3 group, 0.93 +/- 0.23 in the T4 group, 0.82 +/- 0.15 in the T5a group, and 0.47 +/- 0.13 in the T5b group. More than 90% of the combined eyes in the T3, T4, and T5a groups achieved a UCVA of 20/40 or better, and almost 80% achieved a UCVA of 20/25 or better. Residual refractive astigmatism of less than 0.75 D was achieved in 74% of eyes and of less than 1.00 D in 91%. The mean IOL misalignment was 2.5 +/- 2.1 degrees in the T3 group, 3.5 +/- 2.3 degrees in the T4 group, and 4.1 +/- 3.5 degrees in the T5 group. Implantation of the AcrySof toric IOL proved to be an effective, safe, and predictable method of managing corneal astigmatism in cataract patients.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                aseo
                Archivos de la Sociedad Española de Oftalmología
                Arch Soc Esp Oftalmol
                Sociedad Española de Oftalmología (Madrid )
                0365-6691
                August 2010
                : 85
                : 8
                : 274-277
                Affiliations
                [1 ] Clínica Universidad de Navarra Spain
                Article
                S0365-66912010000800004
                10.1016/j.oftal.2010.09.002
                03c926a0-e54d-4acf-bec6-a91c44ee55ac

                http://creativecommons.org/licenses/by/4.0/

                History
                Categories
                OPHTHALMOLOGY

                Ophthalmology & Optometry
                Acrysof,Toric,Intraocular lens,Cataract surgery,Astigmatism,Phacoemulsification,Tórica,Lente intraocular,Cirugía de catarata,Astigmatismo,Facoemulsificación

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