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題 名 | The Relationship between the Size of Optic Disc Crescent and Myopic Maculopathy=視神經盤半月斑大小與近視性黃斑部病變之關係 |
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作 者 | 施永豐; 何子昌; 林思源; 林隆光; 洪伯廷; 侯平康; | 書刊名 | 慈濟醫學 |
卷 期 | 8:3 1996.09[民85.09] |
頁 次 | 頁205-211 |
分類號 | 416.765 |
關鍵詞 | 視神經盤半月斑; 近視性黃斑部病變; 高度近視; 眼軸長; Myopic maculopathy; Disc crescent; Axial length; Refractive error; |
語 文 | 英文(English) |
中文摘要 | 近視性黃斑部病變是高度近視併發症中最嚴重之一。而這病變又和眼軸 延長、近視加深及年齡老化有關。視神經盤半月斑又被認為是眼底後極部退化的 早期徵侯。所以評估兩者之間的關係有助於了解黃斑部病變的病程。由台大醫院 高度近視門診共收集993位高度近視病人,結果發現半月斑大於一個視神經盤寬 度之機率在眼軸長大於29mm,近視超過-15D及年齡大於40歲組明顯比較高。同 樣地,黃斑部病變超過D��(有Lacquer crackk以上)有69.4其半月斑大於一個視神經 盤寬度。而黃斑部有廣泛性萎縮 (超過D�砲H上)有78.5其半月斑大於一個視神經 盤寬度。若以半月斑大小大於一個視神經盤寬度為準,約可診斷出75.8有D�等H 上之變化,56.4有D�砲H上之變化。假如同時以半月斑大小大於一個視神經盤寬 度加上眼軸長大於29mm為準,可診斷86.5之病人有D�等H上之變化。若再加上年 齡40歲以上,更可以診斷出94.3以上之病人有D�等H上之黃斑部退化。所以,半 月斑大小可能可以當作近視性黃斑部退化之預測因素。(慈濟醫學1996;8:205-211) |
英文摘要 | Myopic maculopathy is one of the most severe complications of high myopia. The severity correlateswith the increase of axial length, refractive error and age. Optic disc crescent formation was suggestedto be an early sign of the degeneration of the posterior pole. Thus, evaluating the correlation betweenmyopic maculopathy and the size of the disc crescent is needed. Analysis of 99 3 high myopic patientsfrom the high myopic clinic at National Taiwan University Hospital (NTUH) showed that the size of thedisc crescent was correlated with an increase in axial length and refractive error. The incidence of disccrescent greater than one disc diameter (DD) was also higher in groups with axial length longer than29.0 mm, refractive error over -15.0 D and/or age older than 40 years. As well, 69.4 of patients withmyopic maculopathy more severe than Di had disc crescents larger than 1 DD; 78.5 of patients withmyopic maculopathy more severe than Di had disc crescents larger than 1 DD. If only the disc crescentlarger than 1 DD was considered, 75.8 of the patients had Di myopic maculopathy or more, and56.4 of the patients had Di myopic maculopathy or more. if both conditions with axial length over 29.0mm and disc crescent larger than 1 DD were considered together, then 86.5 of the patients had Dimyopic maculopathy or more. Further, if all of the conditions with axial length over 29.0 mm, subject'sage older than 40 years and disc crescent larger than 1 DD were considered together, 94.3 of thepatients had Di or more myopic maculopathy. Therefore, the size of the disc crescent could be one of thefactors to predict the possibility of myopic maculopathy. (Tzu Chi Med J 1996; 8: 205-211) |
本系統中英文摘要資訊取自各篇刊載內容。