Evolution of photochromic lenses
Thirty years after Corning invented color-changing glass lenses, another company has carried forward the color-changing glass lenses --Transitions Optical. In 1991, it became the first company to commercially manufacture resin color-changing lenses. Since its inception, the company has been a joint venture between PPG Industries (51%) and Essilor (49%). In April 2014, Essilor acquired a 51% stake in PPG. At present, the mainstream is resin photochromic lenses.
Where to Buy Anti-Reflective Glasses?
From the above, you have learned some benefits of anti-reflective glasses. You may ask where I can buy them. To do that, you can buy them from the local optical store. But now, you can buy them online and it can bring you great convenience.
So, if you want to buy anti-reflective glasses online, Koalaeye Optical is recommended. It provides all kinds of eyeglasses, sunglasses, and frames. What’s more, Koalaeye Optical provides a free shipping service so that the package will be mailed for you with your great convenience.
Driving Sunglasses Brands
Ray-Ban polarized sunglasses
Polarized sunglasses filter polarized light. If the lenses are in dark colors (such as tan, green-gray, etc.), they are more comfortable to wear in summer. Polarized lenses are globally recognized as the most suitable lenses for driving. Glare is caused by light that is partially polarized when reflected off an object's surface. The adverse effect of glare- is to enhance brightness and reduce color saturation. It outlines the object becomes blurred and the eyes become tired, uncomfortable. A polarized lens is made according to the principle of the polarization of light, which has the special function of effectively eliminating glare, filtering the disordered light, so that the driver can improve vision and add fun to driving.
Dailisi Men's Driving Polaroid Sunglasses
It suits face shapes like rounded rectangular, square, square, and inverted triangle shapes.
Where to Buy Bifocal Glasses?
However, if you want to get a pair of bifocal glasses, you can purchase them from Koalaeye Optical. Koalaeye Optical is an online optical store and provides all kinds of glasses, sunglasses and frames, such as blue light blocking glasses, wrap around glasses, progressive glasses, polarized sunglasses, and so on. So, if you need a pair of bifocal glasses, try Koalaeye glasses.
Choose the right clear sunglasses for your face shape.
A clear eyeglass frame suits the person of different face shapes according to different shapes. For example, a heart-shaped face suits the clearest eyeglass frame, and a square face suits an elliptical transparent eyeglass frame. A round face suits the clear eyeglass frame with an outline. The long face suits the clear eyeglass frame with some width and so on. There are many kinds of clear frames, like oval, round, square frames, and so on.
When choosing clear frames, be careful to choose one that fits the shape of your face. Oval and the round clear frame are more suitable for heart-shaped faces, square faces, and long faces. People with round faces should avoid large frames, dark frames, and wide edges, and don't wear round or square frames.
Pure titanium spectacle frame
Pure titanium is α-phase titanium containing a certain amount of oxygen, nitrogen, carbon, silicon, iron, and other element impurities. Titanium is an indispensable material for modern aerospace science, marine science, and nuclear power generation, and other cutting-edge science industries. Titanium is 48% lighter than ordinary metals, has strong toughness, acid and alkali resistance, corrosion resistance, high stability, high strength, good elasticity, and other advantages. It is in line with ergonomics. Titanium is non-toxic to the human body and does not have any radiation.
What Are Glasses Without Prescription?
Nowadays, some people wear glasses not only just for correcting their vision, but also for fashion. However, for those people who do not have any eye conditions such as nearsightedness, farsightedness or astigmatism, they can wear glasses without prescription.
Glasses without prescription, also called non-prescription glasses or clear lens glasses, work as a fashion statement to add style to your wardrobe. They also may serve a purpose if they have blue light blocking lenses.
Throughout the years, many people choose to wear glasses without prescription to improve their look. This trendy accessory is a reality available in a range of designs, colors and materials that can add just the right touch to your outfit.
It is important to note non-prescription glasses have zero corrective power whatsoever, while non-prescription reading glasses offer some level of magnification, enlarging what you see up-close.
