Are Photochromic Lenses Good For Night Cycling?
Wed, Jun 15, 22 By : Koalaeye
Bertoni polarized glasses Bertoni polarized night vision driving glasses are made of strong, flexible, durable, and ultralight polycarbonate. Yellow polarization increases contrast, improves visual acuity, and filters out blue light. They are great for drivers, cyclists, and winter sports enthusiasts. The driving glasses with polarized yellow lenses block glare from headlights, reduce night driving glare, improve night vision, and improve color clarity and visual clarity. They are ideal for driving in low-light conditions. Most sports sunglasses glasses frames and goggles...

Bertoni polarized glasses

Bertoni polarized night vision driving glasses are made of strong, flexible, durable, and ultralight polycarbonate. Yellow polarization increases contrast, improves visual acuity, and filters out blue light. They are great for drivers, cyclists, and winter sports enthusiasts. The driving glasses with polarized yellow lenses block glare from headlights, reduce night driving glare, improve night vision, and improve color clarity and visual clarity. They are ideal for driving in low-light conditions. Most sports sunglasses glasses frames and goggles are made of polycarbonate because of their strong, thermoplastic, lightweight, and impact resistance features.


Buy Glasses For Kids - Appropriate Frame

To choose a frame for the child, we must first consider the measurement of the bridge of the nose of the child, and the pupil distance. Furthermore, if the eye is farsighted and the pupil distance is too large, it will produce the prism effect from the bottom out. If it is myopia and the pupil distance is too large, it will produce the prism effect bottom-inward. If the pupil distance is too small, it will have the opposite effect. The frame should be light, light glasses will not affect the development and shape of the child's nose bone.



Where to Buy Glasses for Big Heads?

After learning which eyeglasses frames are suitable for big heads, you may ask where to buy them. To buy them, the online glasses store - Koalaeye Optical is recommended. It provides all kinds of glasses, eyeglasses and frames. What’s more, these glasses frames are cheap and stylish. You can also get the prescription glasses online and they will be mailed to you with great convenience.


Each type of store has its own characteristics.

Nowadays, the optical stores in the market can be roughly divided into professional optometry and optical matching stores, fast fashion stores, brand flagship stores, and stores in shopping malls. The benefits of fast fashion optical stores are fast commodity update frequency, and they follow the fashion trend, which can bring consumers quite more choices. The size of fast fashion optical stores is usually not large, so they will use an open showcase design. The color collocation should be able to catch the attention of consumers, to attract customers to make self-service selection and experience.



Where to Buy Anti-Glare Glasses?

From the above, you have learned some benefits of anti-reflective glasses. So, you may wonder where I can buy anti-glare glasses. So, to buy the anti-reflective glasses, Koalaeye Optical may be a good choice. Koalaeye Optical is an online optical store, providing all kinds of eyeglasses, sunglasses, and frames. You can choose the best suitable glasses for yourself. Besides, Koalaeye Optical offers a free shipping service so that you can get the glasses at home with great convenience.


Different Type of Lenses: How to Choose

In this section, we will list some of the lenses for glasses.

Plastic lenses: In 1947, the Armorlite Lens Company in California introduced the first lightweight plastic lenses. The lenses were made of a plastic polymer called CR-39, because it was the 39th formulation of a thermal-cured plastic developed by PPG Industries in the early 1940s. Plastic lenses are light and low cost.

Polycarbonate lenses: polycarbonate lenses were first introduced in the 1970s and they have become increasingly popular anad remained for a long time. Polycarbonate glasses are slighter and significantly more impact-resistant than CR-39 plastic, making them a preferred material for children’s eyewear, safety glasses, and sports eyewear.



The Disadvantages of Polycarbonate Lens

In this section, we will show you the disadvantages of polycarbonate glasses.

First, the polycarbonate lens is expensive than other regular lenses. It can cost up to double the price of regular eyeglasses.

Second, compared with high-index lenses, polycarbonate glasses have a lower abbe value, which is used to measure the dispersion of light for different eyeglasses lens materials. Polycarbonate lens rates lower mean they have the potential to cause slight chromatic aberrations in your peripheral vision.

Third, compared with Trivex lens, polycarbonate lens has bad durability since they are thinner and lighter.

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