長期オーソケラトロジーとSMILE手術の終了後の角膜の形態学的変化:遡及的比較研究
Kun Zhou1,2,3,4,5, Xiaohuan Ma1,2,3,4,5, Di Shen1,2,3,4,5
1Department of Ophthalmology, Xi'an No.1 Hospital, 30 Fenxiang, The South Avenue, Xi'an, Shaanxi Province, 710002, China.
BMC ophthalmology
|February 13, 2026
まとめ
オルトケラトロジー (OK) の着用は角膜の形状を変化させることがありますが,小切断レンチキュール抽出 (SMILE) は,以前のOKユーザーにとって有効な屈折性外科手術の選択肢です. 長期にわたるOKレンズ着用は角膜の変化を引き起こす可能性がありますが,SMILEの結果は対照群と比較できます.
科学分野:
- オフタルモロジック (眼科)
- 屈折性外科手術についてです.
- 角膜生理学 角膜生理学とは
背景:
- オーソケラトロジー (OK) は,中国で一般的な近視制御方法である.
- 多くの若い成人は,OKウェア後にSMILEのような屈折性手術を求めています.
- 角膜の形態学とSMILEのアウトカムに対するOKの長期的な影響は十分に理解されていません.
研究 の 目的:
- 長期にわたるOK断絶後の眼のバイオメトリックと角膜の変化を評価する.
- 元OKユーザーとメガネを着用した対照群のSMILEの結果を比較する.
主な方法:
- 44人の近視眼 (22人の元OKユーザー,22人の対照) の遡及比較研究.
- 角膜のトポグラフィー,パチメトリー,および偏差はSMILE前および後の測定で測定されました.
- アルピンのベクトル分析が,アスティグマ的アウトカムに使用された.
主要な成果:
- OKの中止は角膜アスティグマチズム,偏差値,角膜後部の凸の増加につながった.
- OKの開始時の年齢の低さは,より大きな後方傾斜と相関しています.
- SMILEのアウトカム (視覚の鋭さ,角膜の形状,偏差値,アスティグマチズム矯正) は,手術後のグループ間で比較可能でした.
結論:
- SMILEは,OK着用歴のある個人に適した屈折性手術の選択肢です.
- OKを中止した後の角膜の厚さの減少は,SMILE候補性にほとんど影響しません.
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