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Distance vision after bilateral implantation of AcrySof toric intraocular lenses:a randomized,controlled,prospective trial 被引量:4

Distance vision after bilateral implantation of AcrySof toric intraocular lenses:a randomized,controlled,prospective trial
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摘要 ·AIM:To evaluate the distance vision of Chinese patients with cataracts and corneal astigmatism after implantation of bilateral AcrySof toric intraocular lens (IOL) versus bilateral AcrySof spherical IOL.·METHODS:This study randomized 60 patients into equal groups to receive toric IOL or spherical IOL.IOL powers targeting emmetropia were selected for 93% of toric IOL patients and for 90% of spherical IOL patients.Assessments included monocular and binocular distance vision,with and without best correction.Patients also completed surveys about their distance vision.·RESULTS:Preoperatively,the two study groups were similar in age,in distance visual acuity,and in the magnitude of corneal astigmatism.At 6 months postoperative,binocular uncorrected distance vision was 0.06?à0.14 logMAR in the AcrySof toric IOL group,significantly better than the 0.14?à0.11 logMAR in the spherical IOL group (P<0.05).For eyes with emmetropia as a target,the equivalent of 20/20 uncorrected vision was more likely (P<0.001) in the toric IOL group (36% of eyes) than in the spherical IOL group (4% of eyes).No patients in the emmetropia/toric IOL group used distance glasses,as compared to 52% of patients in the emmetropia/spherical IOL group.All patients were satisfied or highly satisfied.Quality of distance vision was rated higher by toric IOL patients than by spherical IOL patients (P<0.05).·CONCLUSION:Bilateral AcrySof toric IOL is superior to bilateral spherical IOL in providing uncorrected distance vision to cataract patients with corneal astigmatism.·
出处 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2011年第2期175-178,共4页 国际眼科杂志(英文版)
关键词 ASTIGMATISM cataract extraction lenses INTRAOCULAR PSEUDOPHAKIA astigmatism cataract extraction lenses intraocular pseudophakia
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