Is the optimal viewing distance for TV minus the space on the sofa?

The best distance to watch TV should be meters. The closer a person is to the TV, the more irritated they are, and the more likely they are to cause eye strain. Therefore, the placement of the TV should be based on the principle of suitable for the physiological requirements of the eye.

The best place is to be a meter away from the TV and slightly below eye level. When it is too high, it is easy to cause fatigue by looking up at the eyes due to raising the head; If it is too low, it is easy to get tired because you need to look down. Of course, you should also be careful not to tilt the TV too much, otherwise, tilting your head to look at it will not only make the image unclear, but also more likely to cause eye strain.

When watching TV, you should take a short break for no more than 60 minutes at a time, and it is best to close your eyes and rest. Someone has done a survey that if you watch TV for more than 4 hours without a break, you can lose two lines of vision (. Watching TV for a long time is not only easy to make children weak and obese, but also prone to myopia.

If you have a child who is already suffering from myopia, it is best not to watch TV for more than half an hour at a time, and you should rest for 10 minutes. It is the distance from the eye to the TV, subtracted, of course.

No, you don't. People sitting on the sofa usually lean on the backrest, and the distance from the wall behind the sofa is no more than 20 cm.

It is much more useful to grasp the time to watch than to worry about the viewing distance.

The distance from the eyes to the TV.

Look where you're sitting.