What is the impact of computers to people's vision? How to protect?
Do you think you feel that your eyes are always dry?
Be careful, this is the biggest problem of computer enthusiasts and net fans. In the case of electromagnetic wave radiation, the fluorescent screen is flashing, the illumination is not good, the sitting position is poor, which will cause visual fatigue, which will affect the vision.
According to the information, if you use a computer for a long time, it is lacking proper rest. The eyes will inevitably feel fatigue. The eyes are blurred, flashing, eye acid, dryness, etc., sometimes to avoid the light, computer operation of the computer screen reflection Personnel often take unnatural posture, time long, may also cause strabismows.
Basically, the pressure and burden of the visual system is related to the environment and personal factors that use the computer. The quality of the display of the computer such as resolution, color contrast, and brightness will affect the reading ability and efficiency of the eye. If the distance between the eye and the screen and the file to be processed, the eyes need to focus once, the eyes need to be focused once, timely and laborious, and it is easy to cause visual fatigue. One of the factors of vision.
Place the light of the computer, such as the solar light on the ceiling, natural light from the window, often causes screen reflection, and it is easy to cause eye fatigue and posture incorrect. It is also easy to reflect the white walls, curtains and furniture, etc., which are easy to reflect light, and the factors affecting the vision.
Suggestions and measures:
In order to protect your eyesight, we recommend the following recommendations:
(1) Performance inspections on a regular basis, early discovery, making appropriate treatment or correction.
(2) It is recommended for two hours to rest for 15 minutes to reduce eye fatigue.
(3) Install the filter to prevent reflected light.
(4) Weaken the background light. For easy reading files, the device can be used to assist the lighting device.
(5) There should be at least one meter space behind the computer monitor, and the work environment is soft, so that the use of the computer's sight can leave the screen to rest.
(6) The position of the display screen should be between 10 and 20 degrees below the line of sight, and the distance is between 0.6-20.7 meters.
(7) The monitor should be checked regularly and select a more scientific display.
(8) If the computer (one meter) is used in the close range, the daily working hours should not exceed four hours.
Relevant information:
Color contrast and brightness of the display
The contrast means that the screen background color is mixed with font color.
A study explored the impact of different colors from the perspective of color psychology, the research results pointed out that the black bottom is the most comfortable computer user's eyes, the highest work efficiency (black and white is Complete colors can alleviate visual fatigue. And the color distraction of black and white words is particularly high).
As for the brightness setting, it is necessary to say soft and not glare.
