The snowy environment where skiing is located is prone to snow blindness, and it is also easy to injure the eyes when falling during high-speed sports. In addition, the cold wind during sliding is very harmful to the eyes, so ski goggles are needed to protect the eyes of skiers.
Ski goggles are divided into alpine goggles, jumping platform goggles, cross-country goggles, free goggles and so on. A good ski goggles can perform the following functions:
1. To prevent cold wind from damaging the eyes, the operating temperature should reach minus 30 degrees, and the lens of the frame should not be brittle.
2. The high-quality mirror coating prevents ultraviolet rays from scorching the eyes, and effectively filters the harmful rays of the glasses. At the same time maintain the brightness and open field of view.
3. The design of air circulation and anti-fog materials ensure that the mirror does not fog, and the glasses should conform to ergonomics and not shake or shake. The lens strap has good elasticity and suitable length and width.
4. The lens of the spectacle frame is made of soft and special materials, and polycarbonate (a special plastic) is commonly used. The glasses are only deformed under the action of external force, and the external force should be quickly restored to the original shape when the external force is removed.
5. After an accidental fall, even if the glasses are broken, it should not cause damage to the face. In some areas, there are standards for shock resistance.
6. Players with glasses are advised to choose ski goggles that can wear glasses. If you wear contact lenses for skiing, be sure to keep your eyeballs moist to avoid visual fatigue.
