Some people in the TV movie, like when the TV turns out the light, that it is able to create a kind of feeling in the movie theaters, will be more focused to enhance viewing the opera effect. This practice harmful to the health of the eye.
Conventional planar imaging principle by TV progressive scan imaging, flash frequency is high, coupled with changes in television, when the dark image out of people’s eyes would have had very strong stimulation. If we turn off the lights, the room was dark, only the TV’s light effects on the eye, the contrast between this and the environment caused by the human eye will not adapt easily lead to visual fatigue, there defocus to the retina adjustment disorder occurs, is not conducive to eye health.
However, when watching TV open incandescent, fluorescent, etc. is not scientific, it can cause retinal rhodopsin in rod-shaped cells in the reduction of visual acuity will also be affected.
Therefore, when watching TV at night, neither should all turn off lights, do not open the lamp light is too strong. Watching TV at night, preferably the top position in the TV open a red or yellow light soft light, in order to ensure the best light, your eyes.
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