「螢幕藍光」惡視力?太陽比較毒啦 - 眼鏡
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By Mia
at 2014-03-08T14:29
at 2014-03-08T14:29
Table of Contents
出處:http://ppt.cc/5E0-
原文
作者: 記者楊欣潔╱台北報導 | 聯合新聞網 – 2014年3月8日 上午4:13
「抗藍光」是目前眼睛保健最夯議題,「螢幕藍光」最近一直被宣稱為是黃斑部病變的主
因,讓很多民眾心驚驚。
不過,眼科醫師認為,螢幕藍光對視網膜的影響仍有爭議,而且黃斑病變的成因多元,並
非單一因素所致;而且螢幕藍光對眼睛的傷害也遠低於陽光中的藍光,若只是一味抗螢幕
藍光,疏忽正確的眼睛保健,反而是見樹不見林的迷思。
眼科醫學會理事長、台大醫學院眼科教授胡芳蓉表示,目前有關藍光對於視網膜傷害的研
究,都僅限於動物及細胞培養實驗,如小鼠實驗發現,藍光會傷害視網膜的感光細胞;但
實驗多是很長時間照射高能量藍光的結果,未換算出人體需接受多少能量及頻率的藍光,
才會造成黃斑部病變。
胡芳蓉說,高能量藍光的確會傷害視網膜,但是,和小鼠實驗藍光能量相較,目前日常生
活用的三C產品螢幕所散發的藍光極低,其對黃斑部危害很有限,民眾若以為使用濾藍光
產品就能避免黃斑部病變,進而延長使用三C產品時間,才是得不償失。
開業眼科診所院長王孟祺表示,對視網膜有危害的藍光是指可見光中、短波長四百到五百
奈米的藍色系光線,且波長越短對視網膜的傷害越大。不少人誤以為三C產品的藍光對黃
斑部危害最大,其實太陽光中的危險性藍光比三C產品高出許多,若外出戴太陽眼鏡,遠
比使用三C時戴藍光眼鏡的幫助更大。
三軍總醫院眼科前主任張正忠也說,黃斑部病變的成因多元且複雜,通常與遺傳和年齡有
關,螢幕藍光只占極少部分。他建議有黃斑部病變家族遺傳史或已出現黃斑部病變者,再
使用濾藍光商品即可。
顆顆~
看你是相信眼鏡行業務?
還是相信醫生?
濾藍光這種產品數十年前就有,現在為什麼可以紅起來也蠻納悶XDD
只是鍍個膜而已,但價差...ㄎㄎ
再拿個疾病來說服你要配綠藍光???
有時候知識沒有跟上或是不懂誤入真的容易被宰XDDD
要不要被宰就看個人拉~~~
--
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