High-cylinder toric intraocular lens implantation versus combined surgery of low-cylinder intraocular lens implantation and limbal relaxing incision for high-astigmatism eyes
Masayuki Ouchi1,21Ouchi Eye Clinic, Kyoto, Japan; 2Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, JapanAbstract: Clinical outcomes were compared between high-cylinder toric intraocular lens (IOL) implantation and the combined surgery of low-cylinder toric IOL implanta...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2014
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| Acceso en línea: | https://doaj.org/article/d514971a1420416c8b72462739dc14ed |
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| Sumario: | Masayuki Ouchi1,21Ouchi Eye Clinic, Kyoto, Japan; 2Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, JapanAbstract: Clinical outcomes were compared between high-cylinder toric intraocular lens (IOL) implantation and the combined surgery of low-cylinder toric IOL implantation and limbal relaxing incision (LRI) for correcting preexisting high-amplitude corneal astigmatism. Fifty-seven eyes with preexisting corneal astigmatism of 2.5 diopter (D) or greater were divided into the following two groups: (1) eyes that underwent Alcon AcrySof® IQ Toric T6, T7, T8, or T9 IOL implantation (toric group); and (2) eyes that underwent the combined surgery of AcrySof® IQ Toric T5 IOL implantation and LRI (LRI group). Uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA), manifest, refractive and corneal cylinder (MC, RC, CC), were compared postoperatively. Corneal and ocular higher-order aberrations (HOA) were also compared. At 1 day postoperative, UCVA was significantly better and MC and RC were significantly less in the toric group, however, at 1 and 6 months postoperative, there was no significant difference in those parameters. Postoperative corneal and ocular HOA were ¬significantly greater in the LRI Group. For correcting astigmatism in eyes with a high amount of preexisting astigmatism, high-cylinder toric IOL implantation achieves better clinical outcomes, especially in the early postoperative period, than the combined procedure of moderate-cylinder toric IOL implantation and LRI.Keywords: toric intraocular lens, limbal relaxing incision, high-cylinder astigmatism, cataract surgery |
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