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Anonymous users2024-02-07About 30 cm. The viewing angle should be parallel to the display.
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Anonymous users2024-02-061. Keep the distance between the eyes and the computer screen at a distance of 35-40 cm, and adjust the screen to be 10-20 degrees lower than the line of sight, so as to ensure that the eyes are comfortable and healthy. Every once in a while, you must close your eyes and recuperate, or look at distant scenes, it is best to do eye exercises, in order to achieve the effect of beauty and rest, which can reduce eye discomfort.
2. The best distance to operate the computer should be kept at 50 cm - 60 cm, if the screen size is large, the distance can be extended to 70 cm as appropriate. Too close is susceptible to radiation damage, and it is also easy to cause myopia or deepen myopia; If the distance is too far, you need to stretch your shoulder arm to slow down the mouse, which will cause shoulder muscle soreness for a long time.
3. Adjust the distance between the eyes and the computer to about 50 70cm, and adjust the brightness of the screen to a more comfortable level, which can reduce the area of the eyeball exposed to the air and reduce the dryness of the eyes. The close proximity of the eyes to the screen requires the ciliary muscles to be highly contracted to increase the amplitude of accommodation.
4. Similarly, the distance between the eyes and the computer screen is about an arm's length (about 41-80 cm, of course, to see clearly). The light is illuminated from the side, which can avoid the reflection and glare of the screen, and the height of the computer screen should be 10-20 degrees below the eye level.
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Anonymous users2024-02-05When operating a computer on a daily basis, keep a distance of not less than 70 cm between your body and the computer screen.
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Anonymous users2024-02-04The optimal distance between operating the computer should be 50 cm - 60 cm.
If the screen size is larger, the distance can be extended to 70 cm as appropriate. Too close is susceptible to radiation damage, and it is also easy to cause myopia or deepen myopia; If the distance is too far, you need to stretch your shoulder arm to be able to use the mouse, which will cause shoulder muscle soreness for a long time.
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Anonymous users2024-02-03It varies depending on the environment in which the person lives, but it should generally be more than 40 centimeters.
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Anonymous users2024-02-02Not necessarily! Just don't get too close! I think 40-50 is just right.
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Anonymous users2024-02-01The distance between the eyes and the computer screen and the eyes should be 60 cm, and the screen should be lower than the eyes, and the computer should be too close to the computer fluorescent screen, which is more susceptible to radiation damage. All be sure to keep your distance.
If you often use a laptop, because the screen is too small, you have to work in close proximity, the head is tilted forward, and the neck muscles are strained, which will cause work fatigue and increase the fatigue of your eyes. Therefore, it is usually recommended to use compound chondroitin sulfate eye drops and vitamin A soft capsules, compound chondroitin sulfate eye drops are compound preparations, containing 50 mg of chondroitin sulfate and 10 mg of taurine per 10 ml. Drop into the eye.
4 6 times a day, or eye drops if necessary; 2 to 3 drops at a time.
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