Do Blue Light Glasses Work?
When wearing blue light glasses, you may ask whether the blue light glasses really work. In fact, many users have the same troubles. To answer this question, some researchers have made research and have found that blue light glasses make it possible to remain fully engaged in our technologically advanced world, without taking on the negative effects of blue light.
With the blue light blocking glasses, you can focus on the task at hand without negative effects. Besides, with the blue light blocking glasses, you can even sleep well and reduce eye strain. You can also test your blue light glasses are real.
Which is better, MR7 lens or MR8 lens?
The refractive index of MR7 is 1.67, and its Abbe number is 32, so it has a good dyeing property. MR8 has a refractive index of 1.60 and an Abbe number of 40 or more. MR8 has stronger toughness, so it is more tensile and is not easy to break when confronted with strong impact. The lenses of MR7 and MR8 are different in the degree of heat resistance, and the heat resistance of MR7 is slightly weaker. MR7 is recommended if you want thinner and lighter lenses, but MR8 is recommended if you want higher light transmittance.
Be careful to choose driving sunglasses.
Many people take it for granted that the darker the color, the better its UV protection. The function of filter the ultraviolet ray of the sunglasses is concerned with the film of plating only. Especially for long-distance drivers, wearing sunglasses that are too dark can make eyes more tired. And entering dark areas such as tunnels from the strong sun is more dangerous.
Some drivers are slightly myopic, but when they wear sunglasses, there's a problem: their eyes are more likely to tire and the vision can deteriorate, just like driving at night. So, if the slightly myopic drivers want to wear sunglasses, they must be equipped with a myopic degree of the lens.
Full-frame glasses
Full-rimed Glasses are now commonly used, which can make the lens fixed, with good protection of glasses. They are firm and easy to finalize the design, with strong hardness. Full-rim glasses frame is in the majority with plank material. The style is sporty and stylish, which is pursued by young people nowadays. Full-frame glasses are of different styles, rich colors, and can mask part of the lens thickness. The beautiful extent is very good, so are loved by many people with slightly higher degrees.
Eye problems that may occur while driving.
Visual fatigue and xerophthalmia: when driving, the spirit and eyes are in a highly tense state, reducing the blink of an eye, which will easily cause eye fatigue and xerophthalmia. Flash glare -- car headlights and city light pollution -- can cause serious damage to the eyes. UV damage: UV radiation is strong when driving in the daytime, especially in the plateau and snow weather. Nocturnal myopia: nocturnal light is insufficient, so it can make the eye pupil dilate, causing nocturnal vision to drop influence driving safety.
Does a long-face suit wear transparent glasses?
A long face gives people a sense of being relatively thin, so it is best not to wear a transparent, thin frame, or it will show a longer face. It is best to wear glasses with wider rims and darker colors. Compared with women and men, because the overall image of the difference is relatively large, in the selection of glasses, it is best to foil the characteristics of the face and highlight the overall contour of the face. At the same time, the man with a lighter skin color can choose a lighter color frame like the tortoiseshell gold silver frame. People with dark skin color can choose a heavier color frame, like red, black, and so on.
Men's clear glasses are a fashion item.
A clear glasses frame is not only for a schoolgirl. Clear and transparent design more feel cool and refreshing in scorching summer. At the same time, it will not cover the facial features too much, making the face more delicate and clean. Small pure and fresh picture frames tie in some of the clothes of literature and art naturally. Therefore, the scope of use of clear glasses is very limited, only suitable for fashionable men.
