Recently, the concept of "photochromic glasses" can often be heard. Comparatively improved photochromic lenses appeared on the optical market not so long ago - in the 90s, initially, along with the pluses, there were many disadvantages. Today, the technology of photochromic glasses is practically perfected, and you can enjoy not only a fashionable, but also a very useful accessory.
What does photochromic glasses mean?
The main properties of photochromic lenses for glasses is that they are able to improve vision to its maximum sharpness. In addition, they change their darkening depending on the intensity of artificial or natural lighting. For the last property glasses with photochromic glasses also received the name glasses - "chameleons". They are really hypersensitive to light - in a room they can be completely colorless, like, ordinary glasses for correcting the vision, and in the sun quickly darken. "Smart" glasses owe their quick reaction to molecules of photochromic substances that are in the material. They react to bright sunlight by dimming and return to their original resting state under normal illumination.
The main advantage of photochromic sunglasses is that they replace sunglasses with diopters - in one glasses it is comfortable both indoors and outdoors.
Varieties of photochromic glasses for glasses
The most famous technologies in the production of photochromic lenses are the technology of Transitions and SunSensors. Both those and others are very popular, although in Russia the second variant took root.
Transitions supply their colorless lenses to such brands as Essilor, Hoya, Sola, Zeiss, Seiko, where later they incorporate molecules of photochromic substances. The company's specialists are constantly improving their technologies, one of the latest developments are lenses, which even more darken on the street and are less dependent on the ambient temperature.
The essence of SunSensors technology is slightly different - the photochromic element is not only in the upper layer, it is distributed throughout the mass of the lens. In fact, both of them work fine and cope with their tasks.
Who needs photochromic polarizing glasses?
In general, it is clear that photochromic glasses are a modern blessing, an accessory that is useful and will appeal to many women. Among them, first of all, those who use glasses in the room and on the street. " Chameleons " replace two pairs of glasses, if you often alternate different types of lighting.
Photochromic glasses are irreplaceable for drivers - they do not black out when autolady sits in the salon, but perfectly protect from ultraviolet rays, from dangerous on the road glare.
There are also photochromic sports glasses necessary for women who prefer active sports, especially they are in demand among cyclists and snowboarders.
Photochromic glasses are chosen by those people who are sensitive to sharp changes in brightness, causing redness of the eyes, headache, which are experiencing visual problems and do not want to let it deteriorate.
Users appreciate them for the fact that photochromic glasses are great for everyday life, that they perfectly protect against bright ultraviolet rays, they save the retina of the eye when the illumination changes, because they give clarity to the surrounding image.
| | | |
| | | |
| | | |
