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Date Posted: 11:08:43 08/23/06 Wed
Author: News
Subject: 視力模糊或患乾眼症

視力模糊或患乾眼症


眼睛看不清,原來未必與近視加深有關,或者是患上乾眼症的病徵。眼科醫生提醒,乾眼症絕對不能輕忽,因為它會導致視力模糊,甚至造成眼角膜永久性的傷害。

乾眼症最常發生在曾進行激光矯視的人身上,而經常使用電腦、長期在戶外活動,或有服用高血壓藥物,甚至是服食避孕藥的人亦很大機會患上,但女性患上乾眼症的比率更是男性的兩倍。要了解自己是否患有乾眼症,可以嘗試拿著試紙測量,正常人5分鐘內淚水分泌量可沾濕試紙達10毫米,一旦淚液分泌少於5毫米,即為乾眼症。

來自台灣的眼科醫生吳立中表示:「乾眼症嚴重的時候還會有痛痛刺刺的感覺,就好像有人在拿東西刺你的眼睛一樣,眼睛太乾其實也會反應性的流眼淚,像切洋蔥一樣不正常。」

要紓緩乾眼症問題,有兩種方法,第一種是於早上塗滴人工淚液,晚上睡覺時擦上可以保濕的眼藥膏;第二種方法就是塞淚管,人的眼睛內側上下各有一個淚管,總共四個,主要就是從淚管道鼻腔、喉嚨等腺道排出淚液,所以如果有乾眼症的話就可以把淚管塞住,這樣排出去的淚液比較慢、比較少,留在眼睛裡的水分就會比較多,眼睛會比較濕潤、比較舒服。

吳立中表示,透過塞淚管緩減淚液的排泄是一個簡單又不太痛的治療方法,由專業眼科醫生執行,不到一分鐘就能完成。他建議,市民應該多讓眼睛活動,多喝水、少抽煙,多補充深海魚油,便能避免出現乾眼症機會。 (都市)

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