青光眼是一種因持續高眼壓而造成視覺不同程度傷害,嚴重則會導致視野缺損甚至失明之眼科疾病。眼內之水狀液(aqueous humor)是充滿眼球的透明液體,由睫狀體分泌並維持眼壓穩定,但若循環之排流系統受阻,其循環障礙就形成了高眼壓主因。
剛通過FDA 核准之CyPass 是一種用於治療青光眼的微型支架,由製造商Transcend Medical 開發 (已被Alcon, the eye care division of Novartis收購),需要在睫狀體上腔植入一個支架式的裝置來維持水狀液正常的循環流動。相關臨床測試數據可參考https://www.novartis.com/news/media-releases/alcon-achieves-us-approval-cypassr-micro-stent-micro-invasive-surgical-device
影片中示意CyPass 植入後的水狀液流動方式
https://www.youtube.com/watch?v=8oAjFQwqgnM
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