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為何眼睛乾會澀既？？

Nov 3rd 2013, 15:22

看書或電腦時愛瞇眼睛的人，眨眼的次數也比平常少，眼睛會因此乾澀不適。美

國的研究顯示，瞇眼睛時間愈久，眨眼的次數愈少，而眨眼次數愈少，眼睛感到

疼痛灼熱的機率愈高。
　俄亥俄州立大學對十名視力良好的大學生進行實驗，發現他們只要稍微瞇一下

眼睛，每分鐘眨眼睛的次數就會從15次減少到7.5次。主持研究的施迪教授說：「

眨眼睛可以維持眼睛的濕潤。人在看書或看電腦時容易瞇眼睛，而眼睛一瞇就會

使眨眼的次數減少。需要閱讀很多資料或從事眼力密集工作的人，眨眼睛的次數

就少於正常，會對眼睛造成壓力，或形成乾眼症。」研究報告刊於《眼科與視力

科學》期刊。瞇眼睛是為了看得更清楚，並且減少眩光，只是眨眼的次數減少，

卻會使眼睛乾澀、難受。為了愛護雙眸，請多眨眼，少瞇眼。

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