How should I protect my eyesight when watching TV? First of all, pay attention to the location and distance of the TV set. The placement of the television set should be placed in the corner of the softer light as far as possible, the height is not too high or too low, the center of the television screen is best and the eyes at the same level or a little lower. Watching TV, the eye muscles are in a state of tension, the distance between the eye and the screen should be appropriate, too close to look fuzzy, easy to cause visual fatigue; too far, not easy to see. Television and human distance, generally 4 to 6 times the diagonal of the screen. In addition, when watching TV, it is best to sit directly in front of the screen, such as sitting side by side, the observation angle should not be less than 45 degrees. Television contrast and room brightness should also be mastered. Television contrast is too large, the light brightness is not uniform, more focused vision, easy to cause eyestrain. Contrast is too small, the image color is not clear, it is not easy to see clearly. Some people like to turn off all the lights, so that a long time to watch, the eyes are very uncomfortable. On the contrary, if the lights in the room is very bright, the image on the screen will appear gray, can not see clearly. Therefore, you can turn on a small soft light in the room, so that the eyes are not easy to fatigue. In addition, to control the time of watching TV. Can not be too long, especially teenagers, to 1 ~ 2 hours is appropriate. In the process of watching, to take advantage of switching programs or playing advertisements in between, close your eyes and rest for a while, or look into the distance for a few minutes, so as not to overstrain the eyes and affect vision. Health care tips: In order to protect vision, you can usually eat more food containing vitamin A, such as eggs, milk, liver, cake, etc., or eat more vegetables and fruits, such as carrots, bean sprouts, oranges, sugar cane, red dates, etc., to protect vision has a certain effect.