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糖尿病黃斑水腫和糖尿病性視網膜病變都是糖尿病眼睛併發症,1究竟兩者有甚麼分別呢?
簡單來說,糖尿病性視網膜病變是指糖尿病引起的視網膜結構和功能問題。大部分患者起初徵狀未必明顯,直到病情惡化,甚至玻璃體出血時,才會察覺視力下降。1
至於糖尿病黃斑水腫,它屬於比較明顯地影響中央視力的併發症,源於視網膜血管滲漏流入黃斑,造成黃斑水腫。2黃斑位於視網膜中央位置,主宰視力中最重要的中央視力,幫助我們看微細物件。3黃斑水腫會影響我們的中央視力,起初看事物會變得扭曲,嚴重時中央視力會變得模糊。4

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參考資料
- Cohen SR, et al. Dev Ophthalmol. 2016;55:137-46.
- American Academy of Ophthalmology. Diabetic Macular Edema: Diagnosis and Management. Available from: https://www.aao.org/eyenet/article/diabetic-macular-edema-diagnosis-and-management. Accessed 18 Mar 2024.
- NewYork-Presbyterian Hospital. Central Vision. Available from: https://www.nyp.org/healthlibrary/definitions/central-vision. Accessed 15 Feb 2023.
- American Academy of Ophthalmology. Diabetic Macular Edema. Available form: https://eyewiki.aao.org/Diabetic_Macular_Edema. Accessed 18 Mar 2024.
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