Sales points of note for color changing lens
The discoloration rate of the lens is related to the intensity of ultraviolet light. The stronger the ultraviolet light is, the faster the discoloration rate will be, while the vice versa. The degree of discoloration is related to the ambient temperature. The higher the temperature is, the color of the lens is slightly lighter. Otherwise, the color is slightly darker. With the progress of manufacturing technology, the discoloration rate, especially the fading rate of the discoloration lens has been greatly improved, and the interference of temperature on the color depth is becoming less and less. Either glass or resin lenses react only with ultraviolet light, not visible light, so in some environments, they do not darken.
Eyewear stores are close to consumers.
Location is a very critical factor. A reason why customers can walk into your store is that if it is convenient to go to your store. If there are two stores of the same size, your store is in front of the school gate and the other one is 500 meters away from the school, then your store will definitely attract more customers than the one 500 meters away.
How to choose blue light blocking glasses?
Look at lens color. Ordinary lens and blue light blocking lens is the same yellow-green film, and they can be placed in light to identify the place.
Regular lenses have a yellowish tinge in the reflection of light. And anti-blue light glasses film color, there is the blue color in the yellow and green film, this is because of the reflection of blue light.
Look at the instructions. Check the specs and test reports of glasses. Look at the lens manufacturer's qualifications and whether the lens contains radiation.
What are the benefits of pure titanium frames?
This is a kind of metal material with a titanium content of up to 89%, and the most amazing features of this kind of material are the high melting point, and it can withstand high temperatures.Apart from carbon fiber, pure titanium is the lightest material of all.The overall mass is not heavy, so it does not cause pretty large pressure on the bridge.Meanwhile, it has strong corrosion resistance. Pure titanium glasses are designed ergonomically, so there is no need to worry about deformation or fading even if they are used for a long time.So it is loved by many consumers.
Why You Should Wear Blue Light Glasses?
However, many of our work and social life revolve around looking at a screen for multiple hours every day. Too much exposure may damage our eyes. So, you need to consider wearing blue light glasses. Here are several reasons for you to wear blue light glasses.
Less eye strain: looking at a screen all day can make you feel stressed or you may experience eye and muscle strain. So, wearing blue light glasses can help you to reduce eye strain.
Better sleep: spending time on a screen before bed can make you feel alert. In the same way, a walk outside sunlight can also help you feel alert. So, if you are unable to turn off your device an hour or two before bed, using blue light glasses may help you sleep better.
Fewer headaches: blue light can trigger migraines and exacerbate headache pain. Blocking blue light with special glasses may reduce headaches.
Lower risk of eye diseases: the cornea and eye lens are able to block out harmful UV light from reaching the retina. But, they can’t block blue light. If the retina is damaged, the risk of developing macular degeneration will increase, which would lead to blindness. In addition, blue light can penetrate your retina and lead to macular degeneration-like symptoms and increase the risk of developing cataracts. So, wearing blue light glasses can prevent this.
From the above information, can you wear blue light glasses all day or can blue light glasses damage your eyes? You may have got the answer. So, if you need a pair of blue light glasses, try Koalaeye glasses. They come in stylish and at a cheap price.
How To Choose Better Night Driving Glasses?
Choose and buy glasses to use a special night with anti - strong night driving lens. The demand is to block 80-90% of the strong lights and harmful lights, and at the same time to make the road more clearly. Choose glasses with thicker lenses, they are more durable and protect the eyes of drivers against irritation and accidental breakage. As common sunglasses and color-changing glasses are only suitable for daytime wear, wearing them at night will seriously affect the driver's vision.
Common light yellow night driving glasses can only block a small amount of light, and is not very suitable for night driving glasses standards. Therefore, in the choice of lenses of night driving glasses, we must do the selection and demonstration of the national authority of the formal institutions to test products, to achieve the desired effect in actual use. Don't buy products that are not up to standards from vendors. Such products not only do not block the lights but may affect the driver to see the road ahead, affecting the safety of the train operation.
Glasses should not have serious color differences.
Children's eyes are not fully developed, and the eyeball is still growing slowly, at this time it is best not to wear such blue light glasses with the serious color difference. If you always see things with color differences, it will cause eye discomfort, resulting in increased myopia, but the opposite. The big color difference will cause low light transmittance, affecting child macula development. In the case of long-term distortion and discoloration, visual physiology and psychology will be affected.
Blue light glasses for children have special lenses that block some light waves, which may help protect children's growing eyes from digital eye strain. Blue light lenses sometimes have a slight yellow tint. You can buy prescription or non-prescription glasses with child-size frames and lenses that filter blue light. They don't filter out all the blue light, but they can reduce your child's exposure to blue-violet light by 80 percent or more.
