眼睛在暗光下看东西,要依靠视网膜的圆柱细胞。而圆柱细胞中的视紫质,是由维生素甲合成的。经常看电视的人,圆柱细胞中的视紫质消耗较多,需要大量维生素甲来合成。因此,常看电视的人要多吃些含维生素甲的食品,如牛奶、 Eyes to see things in the dark, to rely on the cylindrical cells of the retina. The rhodopsins in cylindrical cells are synthesized by vitamin A. Often watching television, the cells in the cylindrical rhodopsin more consumption, the need for a large number of vitamin A synthesis. Therefore, people often watch television to eat more foods containing vitamin A, such as milk,