现在,很多城市的公交车上都装有移动电视设备,在枯燥的乘车路途中,丰富精彩的电视节目成了不少乘客唯一的消遣。但是,大多数人在乘车时,会很专注地长时间盯着电视屏幕看,其实这样做是不科学的。长时间盯着屏幕易诱发干眼症。原来,人眼在看近和看远时,眼球内部有一种叫做睫状肌的结构通过收缩和舒 Now, many cities are equipped with mobile TV devices on the bus, in the boring car on the road, rich and exciting television became the only pastime of many passengers. However, most people, when traveling by car, will be staring intently at the TV screen for a long time. In fact, this is unscientific. Staring at the screen for a long time easy to induce dry eye. It turned out that the human eye to see near and far, the eye has a structure called ciliary muscle contraction and Shu