겨울에 산악인들이 선글라스를 꼭 착용하는 이유.jpg
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설맹증
겨울에 내린 눈에 반사된 자외선에 의해 각막, 망막이 손상되어
일시적으로 시력장애를 일으키는 현상으로 쉽게 말하면 각막이 화상을 입는 것
콘크리트 아스팔트는 자외선의 10% 정도만 반사하는 것에 비해 겨울 눈은 80%가량을 반사
상태가 심각한 경우 손상된 각막을 그대로 방치하면 상처 난 각막에 세균이 침투하거나
염증이 심해져 자칫하면 실명으로 이어질 수 있다고...
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1 Comments
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