The frame materials
You should choose the driver's glasses with alloy materials. The glasses made of this material are light and strong, so your ears won't be uncomfortable when you wear them for a long time.
Metal frames are suitable for wearing.
For the eyeglass frames made of metal or alloy, after rigorous processing and gold plating, the color and luster of the surface reach a certain brightness. And it will be very beautiful to wear. Metal glasses have the benefits of solid, light, and beautiful shapes. The metal frame basically has a nose pad and the nose pad is a movable side that adapts to a variety of nose shapes. The end of the temple is covered with a plastic cover, which is beautiful and protects the skin.
What is the best lens material?
The world's first resin lens was made of CR-39 material, and CR-39 is still the main optical lens material in Europe and the United States. After the end of World War II, people found that compared with glass, the main lens material at that time, the light transmittance of CR-39 is high, and it can block ultraviolet light. In addition, CR-39 can be dyed, not easy to fog, and has small dispersion (CR-39's Abbe number is 58) and other benefits.
How to test a blue-light lens?
Look at the lens. High-quality anti-blue glasses do not interfere with the line of sight, with high transmittance. The light transmittance is very high, and the visual clarity is higher, which does not affect the visual quality, quality of life, contrast sensitivity, and color discrimination.
Where can I buy prescription glasses online?
DIFF Eyewear is known for its personalized sunglasses, with a large selection of bold and stylish frames. However, you can still find anti-blue light glasses and regular prescription glasses on the site. You're sure to find plenty of fashion-forward options here.
Warby Parker's mission is to provide designer-style frames at an affordable price. The brand provides a home trial-on service, where you can pick up five pairs of glasses. Warby Parker will give you the freedom to try on before you buy. You can sort through all the frames they've collected, or you can take a short online test that asks you for your preferences like frame materials, shapes, and colors, and then narrow your selection down to only frames that fit those specifications.
KoalaEye is a new brand of glasses. From concept, design to manufacturing, we control and supervise the entire process. This allows us to save on the cost and give you a favorable price. KoalaEye provides everyone with high-quality glasses at an affordable price.
There are many ways to choose sunglasses, but shouldn't everyone have an affordable pair of glasses to make themselves look good? KoalaEye believes that everyone should have a pair of high-quality glasses, and more importantly, affordable. When sunglasses are an indispensable part of our daily life, the price should not be too high. KoalaEye would like to provide more economical glasses for people all over the world.
Polycarbonate vs High Index: What Are the Differences?
Here, we will briefly show some differences between polycarbonate lenses and high index lenses. If you are looking for thinner and lighter lenses, high index lenses would be a good choice. High index lenses are strongly recommended for those people who require a strong eyeglasses prescription for common vision problems, such as nearsightedness, farsightedness, or astigmatism. Besides, you need to know that the stronger prescription, the thicker the edges of the lenses. So, high index lenses are good choices because they are slimmer and lightweight.
Polycarbonate lenses are an ideal option for children’s eyewear since they are tough, lightweight, tough, and durable. Because of their durability, polycarbonate lenses are much less likely to break or fracture than even high index lenses.
So, from the above information, you can know the differences between polycarbonate and high index lenses. With these differences, you have known how to choose the lenses when prescribing a new pair of eyeglasses.
If you want to get a pair of new eyeglasses, you can choose to go to the local optical store. However, nowadays, you can choose to prescribe glasses online. This gives you great convenience. If you want to get a pair of new glasses online, Koalaeye Optical may be a good choice for you, which is a professional optical online store, providing all kinds of glasses or sunglasses, such as blue light blocking glasses, progressive lenses, driving glasses, and so on. In addition, Koalaeye Optical provides a free shipping service.
Confirm the optometric data
It is necessary to confirm the accuracy of optometric data. If you stay up late or look at the phone or computer for too long before the optometry, leading to visual fatigue, it will increase the degree. But if you can let your eyes have a good rest, and then take optometry, the degree may be restored to the original situation, so you need to know the state of optometry, to check if it really had increased in degrees. The main purpose of progressive lens is to use it for people who have bleached eyes and often take off the lens.