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美国华盛顿医学中心儿童医院的彭妮·格拉斯博士发现,较强的光线会削弱婴儿的视力。她调查了两组婴儿:第一组七十四名,他们的婴儿室正中吊灯是六十支光;第二组一百五十四名则生活在吊灯是二十五支光的婴儿室里。这两组婴
Dr. Penny Glass, Children’s Hospital at the Washington Medical Center in the United States, found that strong light can impair the baby’s eyesight. She surveyed two groups of infants: the first group consisted of 74 persons with 60 mid-section chandeliers in their infant room and the second group of 154 living in 25-lit baby room with chandeliers . These two groups of infants