Ánh sáng từ flash không gây hại võng mạc
(TT) - Gần đây có thông tin về một em bé 3 tháng tuổi bị mù mắt do cha mẹ chụp ảnh có bật đèn flash ở khoảng cách rất gần (25cm) khiến tôi rất hoang mang vì thường chụp ảnh cho bé ngay từ lúc mới sinh… Vậy ánh đèn flash ảnh hưởng thế nào đến thị lực? (H.H.)
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