1 bogey: avoid too long. The accumulated time is controlled within 3 hours.

2 bogey: avoid too close. The best distance to watch TV should be 7-8 times the height of the TV screen, or 4 times the screen size.

3 bogey: avoid the volume is too high. For a long time, under the stimulation of a higher volume, not only the sensitivity of the hearing is easily lowered, the bad hearing habits are formed, and the sensibility such as vision is easily lowered.

4 bogey: avoid light too dark. When watching TV, the indoor light is too dark, which affects the development of visual function, and easily leads to the appearance of myopia. When watching TV at night, don't turn off the lights, and put a small red light behind the TV to protect your eyesight.

5 bogey: avoid eating while watching. While watching TV and eating or candy, melon seeds, etc., the food in the mouth is often not chewed enough, which increases the digestive burden and affects the digestive function. In the long run, it is easy to develop bad habits of eating snacks.

6 bogey: avoid placing too short. The height of the TV should not be too low, and should be placed in the middle position of the TV screen in line with the eye level when viewing.

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