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資訊目錄 : 屈光(度數)問題 Refraction (5)  眼鏡及隱形眼鏡 Spectacles and Contacts (9)  視覺及眼科健康 Visual Hygiene & Ocular Health (13)

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白內障 (Cataract)

白內障 (Cataract)
•定義:
        - 眼睛內原本清澈透明的水晶體變得局部(partial)或全部(complete)混濁, 導致視力模糊

•成因:
        - 年老
        - 創傷
        - 身體疾病(e.g.糖尿病)
        - 眼疾(e.g.紅膜炎)
        - 深近視度數
        - 長期使用類固醇(Steroids)
        - 過量吸收紅外線(IR, infrared ray)和紫外光(UV, ultraviolet light)
        - 遺傳
        - 唐氏症 (Down syndrome)

•徵狀:
        - 近視度數增加 / 遠視度數減少
        - 視力模糊
        - 畏光
        - 明暗對比難以分辨
        - 顏色感覺改變

•白內障的預防方法:
        - 定時驗眼:
                    - 每年需要接受一個完整的眼睛檢查
        - 避免過量吸收紅外線(IR, infrared ray)和紫外光(UV, ultraviolet light)
        - 配戴給適的太陽眼鏡(請向您的眼科視光師查詢)
        - 避免煙酒
        - 飲食方面可多吃營養豐富的食物
        - 多吃水果和蔬菜

•治療:
        - 目前沒有藥物可以完全治癒白內障
        - 只能用手術摘除已混濁的水晶體和植人工晶體

白內障手術:


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Eye.HK passion for eye care. ^_^

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Eye.HK -- Passion for eye care