看电视使人们受益非浅,但是处理不当也会带来种种弊病。电视眼:看电视时睫状肌和眼内直肌起着调节作用,如果长时间处于紧张收缩状态,可引起近视。看电视时是暗环境,需要靠视网膜杆状细胞中的紫红质来维持暗视能力,每看一小时电视所消耗的视紫红质要休息半小时才能恢复,若看彩色电视时间太长,显像管的X射线会严重消耗视网膜中的视紫红质,导致视力明显下降,医学上称之为“电视眼”。 Watching television has benefited a lot, but improper handling can bring about many disadvantages. TV eye: watching television when the ciliary muscle and eye rectus plays a regulatory role, if for a long time in a state of tension and contraction, can cause myopia. Watching television is dark environment, the need to rely on retinal rod cells in the purpurin to maintain the ability to scare, watch an hour of television consumption of rhodopsin to rest for half an hour to recover, if you look at color TV time is too long, CRT Of X-rays will severely consume the rhodopsin in the retina, resulting in a significant decline in visual acuity, medically referred to as “TV eye.”