Anti-glare screens have long been the only protection for the eyes from electromagnetic radiation and reflected light. Today they are not so popular, because they were replaced by special sprays for displays and computer glasses. Modern monitors do not need "protectors" for the eyes at all. But in most cases, screen protectors are a must.
Eye protection
The main function of a monitor screen is to prevent reflected light from entering the eyes. A high-quality screen also increases the contrast to better distinguish colors and outlines of characters. Analogue are anti-reflective sprays. With them, the surface does not “shine”, so it will be convenient to work. But sprays are not designed to improve image clarity, and their use does not affect contrast.
From all monitorslittle x-rays are emitted. It is considered safe if a person is not near the monitor for a long time. Manufacturers have reduced the level of rays, but they cannot be completely eliminated.
Previously, monitor shields were the only protection against radiation, but now they are producing "safe" monitors. They are labeled low radiation or low emission, which indicates the minimum harmful radiation. If this inscription is not present, then a protective screen for the monitor is required. It should be remembered that with internal mechanisms an electromagnetic field is generated. Even monitors marked with low radiation cannot eliminate this factor.
Therefore, if you have to work for such equipment for a long time, you need a protective screen for your computer monitor, even if it is "safe". Polarized screens are the best choice. No matter how bright the light is, the screen will protect your eyes. These devices have another advantage: with them it will not be possible to view the image from the side.
Materials
Analogue of the protective screen are special glasses. They prevent eye contact with glare and electromagnetic radiation, but cannot improve image contrast. Therefore, protective screens are considered the most comfortable type. For their manufacture, a metal mesh, plastic or optical glass is used.
It is better not to choose mesh devices. They serve as protection against electromagnetic radiation, but complicate visual perception. Such a productpresented in the form of a screen of fine mesh, which blocks the display. As a result, the eyes get tired quickly.
Plastic monitor shields for the eyes improve contrast - they create a slight dimming effect. The product reduces reflections on the display, but does not protect against electromagnetic radiation. The disadvantage of plastic is brittleness, in addition, the material is quickly scratched and becomes cloudy.
It is advisable to choose a device made of optical glass. With it, the image quality improves, it becomes clearer, it will be protected from electromagnetic radiation. The glass surface will not cloud with detergents, and it takes effort to create a scratch.
Choice
The device has few requirements, but they are all important:
- Anti-reflective coating on one or both sides testifies to the quality. It is advisable to choose a product that reduces glare by up to 99%.
- In addition to anti-reflective coating, anti-static properties are required. The presence of static electricity on the screen causes dust to collect. This negatively affects the respiratory system, besides, because of this factor, the contours of the image are hardly visible. Therefore, a shield with antistatic properties is required.
- Another important property is the bandwidth. The choice of the screen on this basis determines the illumination of the workplace. The better it is, the lower the throughput should be. In high light thisthe indicator should be equal to 30%.
- When choosing a screen protector for your eye monitor, consider ease of cleaning. The anti-reflective surface shows smudges and fingerprints very well. If they are difficult to remove, the product quickly becomes dirty. The protective screen should be cleaned well with a special soft cloth.
When is a screen protector not required?
How can I tell if my monitor needs more protection? The equipment must have a certificate of conformity with the MPR-II standard. According to it, the sanitary characteristics of monitors are established. You can choose equipment made according to the Swedish standard TSO-92. This would be an excellent choice as Scandinavian requirements are stricter than global ones.
If the monitor is more than 5 years old, it needs to be replaced or a protective screen purchased. Over time, the electromagnetic radiation in the monitor increases. On sale you can find TCO-95 monitors. This is also the Swedish standard, but more environmentally friendly materials are used. Such equipment will be more expensive, although there is no significant difference between the goods.
Conclusion
Thus, screen protectors are essential for many monitors. This will protect your eyesight from the negative effects of technology. In addition, they improve the contrast and clarity of the picture.
