Watching television has now become essential contents to many people\'s lives. While television brings us happiness, but also gives us optical a great threat to our health. The following are four views that will injure our eyes most:
- Watch TV for a long time.
Some people watch TV for several hours without stop. At the end, the headache and dizziness, the fatigue and weakness are resulted, which are known as “TV disease” in the medical profession. Watching TV for too long the time is also very unfavorable on the eyes. Some one once made an experiment, proving that after watching TV continuously for 4or 5 hours, one\'s eyesight will decrease by 30 percent. He can recover after a while. But if it lasts longer than 4 to 5 hours for you to watch TV, it is probably that your eyesight Brillen will fall off all the time.
- Turn off the lights to watch TV
When some people usually watch TV or use computer, they prefer to turn off the lights beside it,only leaving a screen of light. Oculists suggest that it is not correct for you to do so. The eyes may easily feel tired in this way. Your strength and the harm to eyes are bound to increase with time.
- Then it is changing Brille the channels frequently.
Frequently changing channels will do more harm to eyes compared to watching TV for long time, according to one latest survey by researchers. Because when the moment of changing the channel, the majority of television sets would have black screen and sudden changes of light, at this time the light suddenly changes, and will cause certain stimulation to the eyes. Researchers point out that you’d better close your eyes before you change channel, or blink more after the picture is fixed.
- Watching TV in the car.
Now many coaches or buses have the televisions to help the tourists filling the empty time during traveling. Normally, it is a good service . But, watching TV on vehicles will lead to bad symptoms such as pain and dry in eyes, dizziness, nausea and even vomiting.
For your good vision, please quit bad habits above!