Sunglasses, also called sun-shading mirrors, are used for sun-shading. People usually adjust the luminous flux by adjusting the size of their pupils in the sun. When the intensity of the light exceeds the adjustment ability of the human eyes, it will cause damage to the human eyes. Therefore, in outdoor activities, especially in summer, it is necessary to use sunshade mirrors to block the sun, so as to reduce the fatigue caused by eye adjustment or the damage caused by strong light stimulation. It is not difficult to see that there are so many colorful sunglasses. What are their functions and what is the difference? 1. Gray films belong to the neutral color system, which can absorb any color spectrum evenly. Although the scene will become dark when viewed, it will not There are obvious chromatic aberrations, which can show the real and natural feeling. Suitable for outdoor activities who like sightseeing and photography. 2. The blue-gray lens is similar to the gray lens and also belongs to the neutral lens, but the color is slightly darker and the visible light absorption rate is higher. If the sun is particularly bright, you can consider wearing blue-gray eyes. 3. The surface of mercury lens adopts high-density mirror coating. Such lenses absorb and reflect visible light more, and are suitable for long-term outdoor sports. 4. The brown lens filters out a lot of blue light, which can improve the visual clarity and contrast to a certain extent. If the environment is severely polluted or foggy, it is better to wear brown sunglasses. 5. In addition to absorbing part of the light, the green lens can greatly increase the green light reaching the eyes, so it has a cool and comfortable feeling, which is suitable for travel friends who are prone to eye fatigue. 6. The yellow lens hardly reduces the visible light, but in the foggy and twilight hours, it can increase the contrast and provide more accurate vision, so it is also called night vision goggles by the traveler. Some young people wear 'sunglasses' with yellow lenses as decoration. 7. Other mirror colors, such as light blue, light pink, etc., are more decorative than practical. Consumers should choose sunglasses that suit them. Related Reading: Sunglasses Brand Sunglasses
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