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要約 目的:強度近視に対し,片眼に有水晶体眼内レンズ挿入術,僚眼にwavefront-guided LASIKを行った3例の検討。症例:症例の年齢は24歳,39歳,41歳で,それぞれ約一10D,一7D,一7Dの近視が両眼にあった。結果:1例では眼内レンズ挿入眼では術後視力と屈折が良好であったが,LASIK施行眼では術後1年で屈折の戻り(regression)が生じ,追加矯正を行った。ほかの2例では両眼とも視力と屈折が安定していたが,眼内レンズ挿入眼のコントラスト感度は1例で不変,1例で上昇した。LASIK施行眼のコントラスト感度はやや低下した。高次収差は眼内レンズ挿入眼では術前後でほぼ不変であり,LASIK施行眼では増加した。自覚的な見え方は,3例とも眼内レンズ挿入眼のほうが良好であった。結論:強度近視に対する有水晶体眼内レンズ挿入術が有効な症例がある。
Abstract. Purpose:To review 3 cases who had phakic intraocular lens(IOL)in one eye and wavefront-guided LASIK in the other for high myopia. Cases:The patients were aged 24,39 and 41 years respectively. They had bilateral myopia of about -10D,-7D and -7D respectively. Results:One case had good visual acuity and refraction in the eye that received phakic IOL. The fellow eye developed regression one year after LASIK necessitating additional surgery. The other two cases had good visual acuity and refraction in both eyes. Contrast sensitivity following IOL remained unchanged in one case and increased in the other. Contrast sensitivity after LASIK decreased slightly. Higher-order aberrations remained unchanged in eyes receiving IOL and increased in eyes receiving LASIK. Subjective symptoms were better in IOL-implanted eyes in all the 3 cases. Conclusion:Phakic IOL implantation may be effective for high myopia.
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