まとめ
ダイビングや高空での接触中に非窓付きのハードコンタクトレンズを着用すると,窒素の泡が閉じ込められたため角膜の腫れが起こる可能性があります. これらの状態でコンタクトレンズの着用を避けることは,眼の症状と潜在的な損傷を防ぐことができます.
科学分野:
- オフタルモロジック (眼科)
- ダイビング医学はダイビング医学です.
- 航空宇宙医学 (航空宇宙医学) とは
背景:
- 環境圧力の変化が眼の健康に与える影響を調査しています.
- 異なるタイプのコンタクトレンズを高圧および低圧状態で着用する際の安全性を検討しています.
研究 の 目的:
- シミュレートダイビングおよび高空曝露中に異なるタイプのコンタクトレンズを着用する効果を調査する.
- これらの条件下でコンタクトレンズの着用に関連した眼部合併症,特に角膜腫のリスクを決定します.
主な方法:
- 被験者は,30分間,海水深45.5m,標高11,277mの海面露出中に,柔らかい (膜) レンズ,窓付きのハードレンズ,または窓のないハードレンズを着用しました.
- 眼の症状と,前角膜の涙膜にガスの泡が存在するかどうかについては,解圧期間および解圧後の評価を行った.
主要な成果:
- 非フェネストラポリメチルメタクリlate (ハード) レンズは,重要な眼症状と角膜上皮腫につながりました.
- エデマは,窒素の泡の形成と,非窓のレンズの下にある前角膜の涙膜の中に閉じ込められたことによって引き起こされた.
- ソフトレンズ,窓付きハードレンズ,レンズを着用しない場合でも,気泡や症状は発生しませんでした.
結論:
- 窓のない硬いコンタクトレンズは,ガス泡の形成およびその後の角膜腫の危険性があるため,ダイビングや高空での使用は禁忌です.
- 柔らかいコンタクトレンズや窓付きの硬いコンタクトレンズは,より安全な代替品であるように見えますが,さらなる研究が必要かもしれません.
- 環境圧力の変化時にコンタクトレンズを安全に着用するための推奨事項は,これらの発見に基づいて提案されています.
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