I. Color changingRiding glassesAdvantages and disadvantages
There are many types of cycling glasses, among which the more common One of them is color-changing glasses, so are color-changing cycling glasses good?
1. Advantages of color-changing cycling glasses
Color-changing glasses can change with the changes of ultraviolet rays and temperature in the environment, thus protecting our eyes. When riding outside, long-term exposure of the eyes to ultraviolet rays may cause eye diseases, and in severe cases, cataracts and other eye diseases may be caused. Wearing color-changing glasses can prevent ultraviolet rays from entering people’s eyes and prevent glare. Comprehensive eye protection, providing comfortable visual enjoyment for the eyes.
2. Disadvantages of color-changing cycling glasses
The price of color-changing cycling glasses is relatively high, mainly due to insufficient awareness of color-changing glasses Due to the large market demand, some fake and inferior color-changing glasses produced by some unscrupulous merchants have entered the market. Such color-changing glasses cannot protect the eyes, so pay attention to purchasing through formal channels.
Generally speaking, color-changing glasses are more suitable for riding, but it should be noted that the color-changing effect of color-changing glasses will be affected by factors such as ultraviolet light intensity and temperature, and it will take time to change color. of.
Second, Are color-changing cycling glasses useful under strong light?
The color-changing cycling glasses add silver halide to the lens, so that the original transparent and colorless lens will become colored when exposed to strong light Lenses, which are very effective in protecting the health of the eyes. According to the principle of reversible and reversible light-color interconversion, under strong light, the lens can change color and completely absorb ultraviolet rays. Neutral absorption of visible light. After returning to the dark place, the lens will regress to its original colorless and transparent state.
Color-changing glasses require sunlight to change color, so they can work even under strong light, but in areas such as indoors, because there is no strong light, they will change to their original color. Color-changing glasses are especially suitable for places such as outdoor and indoor strong light, which can prevent damage to the eyes caused by sunlight and ultraviolet rays.
However, when using color-changing cycling glasses, it should be noted that to buy high-quality color-changing cycling glasses, it is generally required to completely change color within 40 seconds of strong light exposure, and to fade to translucency within two minutes after leaving the sun It is a relatively good product; in addition, the purchased discoloration cycling glasses should be regularly checked for discoloration in the sun, and special attention should be paid to whether the photosensitive discoloration of the lenses is consistent, so as to avoid the situation of one dark color and one light color.