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    全家都是近視?趕緊查查你家的照明是否有問題
    更新時間:2018-11-27   瀏覽:

    今年夏天,我的一個朋友打電話給我,說家里買過很多臺燈,每個臺燈用下來都覺得很刺眼,平時眼睛也老覺得不舒服。她自己眼睛500度近視,兒子16歲,1000度近視。她還有一個不到一歲的小女兒,她希望我幫她家里的照明做一個“體檢”,幫她找找原因,為啥總覺得眼睛不舒服,希望小女兒能在一個健康的光環境下快樂成長。

      于是,我馬上行動,讓她把臥室,客廳,廚房,浴室,書房的燈照片發給我,關燈和開燈的照片都要。結果發現臺燈、臥室、客廳和走廊的燈確實有很大問題。下面就一一講述有問題的幾個地方。

      如上圖,臺燈的位置太高,人眼會直視到光源。建議燈面離桌面高度35cm左右,以眼睛不能直接看到發光面為宜。

      桌面反光太厲害,建議在桌面上鋪一塊淺色的布。

      下圖是臥室的燈具,底座是一個鏡面,而光源是裸露的點狀光源,點亮以后非常刺眼,還有來自底座的鏡面反射。

      這是開燈的效果,眩光非常嚴重。

      建議這個臥室的燈具替換成一款簡潔的吸頂燈,表面有亞克力燈罩,可以保證燈光非常柔和,如上圖。

      上圖是另一個臥室,問題在于采用了白光,白光中藍光成分比較多,不利于睡眠。

      為了進一步確認臥室光源的問題,用專業的儀器進行了檢測。色溫超過8000K,藍光的峰值也非常高。

      又進一步測量了頻閃(見右圖),問題也非常嚴重。頻閃有以下的危害:

      1)對于光敏感性癲癇病人,頻閃會誘導癲癇發作;

      2)在自閉癥人之間增加重復行為;

      3)引發偏頭痛或頭痛病人病情加重;

      4)引起應變疲勞,眼睛疲勞,視力模糊和頭痛。

    符合標準的頻閃應該控制在3%以內(對應頻率100HZ),如下:

      臥室的改進考慮到盡量減少費用,只需把光源替換成質量比較好的暖光光源,以上兩個圖的測試結果顯示色溫是2998K,頻閃只有0.6%,遠遠小于標準要求的3%。

      上圖是客廳的燈,燈具的底座是一個鏡面,光源也是裸露的點光源,點亮以后非常刺眼,還有來自底座的鏡面反射。

      建議客廳替換成一款花燈(如上圖),光往上打,人眼不會直視到光源。之所以強調不直視到光源,是因為這個家庭家有一位不到一歲的嬰兒,大多數嬰兒會不由自主盯著亮點,從而眼睛易受傷害。

      上圖的燈是在走廊上的,又是裸露的點狀光源,點亮時特別刺眼,由于家里有一個不到一歲的小女兒,這個燈建議平時不要開。

      好了,現在回顧一下這家照明的主要問題:

      1)臺燈桌面反光太厲害,這也可以解釋為什么她之前用過很多臺燈都覺得刺眼;

      2)臺燈擺放位置太高,眼睛很容易直視到光源,也會覺得刺眼;

      3)臥室1和客廳是同樣的問題,燈具底座有鏡面反射,光源又是裸露點狀光源,導致開燈后非常刺眼;

      4)臥室2光源色溫太高,不利于睡眠;另外,頻閃嚴重,可能會誘發多種疾病。

      5)走廊選用的也是裸露的點狀光源,非常刺眼。

      最后,再次強調一下,照明質量的好壞直接影響您和家人的健康和生活質量,請大家馬上行動起來,查查你家的照明質量是否有問題。


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