自从电视进入现代家庭以后,汽车司机看完电视立即开车所发生的车祸越来越多,这已经引起有关专家和学者的注意。专家们认为,在暗光下看电视,会使人体血清中的维生素A消耗过多,对眼睛是有害的。维生素A减少,会降低人体的暗适应能力和减弱夜间视力,这是看完电视开车发生车祸的主要原因。据国外有关资料证明,当人体内血清维生素A为40mg％时,95％的人暗适应能力是正常的,而血清维生素A为20mg％时,则只有27％的人暗适应能力正常。据测定,看完几小时电视后,人体血清维生素A会减少 Since television came into modern families, more and more car accidents have occurred after car drivers watched television driving immediately. This has drawn the attention of relevant experts and scholars. Experts believe that watching television in the dark can cause excessive consumption of vitamin A in human serum and is harmful to the eyes. Reduce vitamin A, will reduce the body’s ability to dark adaptation and reduce night vision, which is watched television driving a major cause of car accidents. According to the information from abroad, 95% of human dark adaptation is normal when serum vitamin A is 40mg%, while only 27% of normal dark adaptation is found when serum vitamin A is 20mg%. It is measured, after watching a few hours of television, human serum vitamin A will be reduced