Buying eyeglasses can be a lot like buying a new car: prices are often hidden from you, they’re priced above any right – and there are secret upgrades pushed on you. Covers. I’m talking about coatings: the anti-scratch, anti-reflective stuff you add to your lenses to make your glasses—and your vision—ever sharper. On the surface, these seem like good feelings. (The man who once cleaned his glasses with a cement-plaster shirt-tail He worked as a sandbox(An anti-scratch cover seems like a good idea.) But these covers really work, and you do. Desire None of them?
Scratch resistant coatings
This is simply a clear coat applied to the front and back of your lens that protects it from scratches and scuffs as you go through your hectic life. Almost all modern lenses are pretty good in their basic form, but the word “resistant” doesn’t mean “invincible”, so adding a little extra protection is always a good idea. If you are given the option to add additional scratch protection, it is usually worth it, as it will extend the useful life of your eyes.
Advice: A serious yes.
This coating reduces the amount of light that reflects off your lens. This helps improve the clarity of what you’re looking at—especially a computer screen, which Shoot Shine on your eyes – and help with night vision, especially when driving. Contrary to what you may have heard, they don’t do much in the way of glare when someone speeds up on the highway. However, not everyone needs AR covers – unless you do a lot of night driving and a lot of work in front of a screen, you may never know the need for it.
Recommendation: Depends on your lifestyle.
Ultraviolet (UV) light is the violence the sun beams down at us every day—it’s the same light ray that blesses us with sunburn and, eventually, skin cancer. So as you might imagine it’s not super good for your eyes, either, which is why most sunglasses will advertise a certain amount of UV protection. Keep in mind, though, that your standard un-coated eyeglass lens blocks most UV rays already—the coating just boosts that to 100% protection.
Recommendation: Not a bad idea, but only essential if you spend a lot of time in the sun.
This coating aims to reduce or eliminate that death-defying moment when you step out into the cold weather and your glasses immediately turn opaque with water vapor, or when you put on that facemask and your own exhalation turns against you. You can get a coating on your lenses that will fight off fogging, but it’s not always available if you have a complex prescription or other coatings on the lens—and it will Lasts only 1-2 years. It may be better to just use one of the many wipes, sprays and gels available to prevent fogging, or deal with occasional problems.
Advice: Maybe skip it.
All the screens we look at throughout the day are shining “blue light” at us, the frequency of visible light. Negative influence on Our overall health. So getting a cover that filters out this blue light might seem like a good idea. But there’s zero evidence that blue-light coverage will do you any good—most of the issues we see after a long day at a screen have nothing to do with blue light. This cover won’t hurt you, but it probably won’t help you either.
There are other coatings you can get, like glass coatings that tint your lenses, making them opaque so people can’t see your eyes (but don’t block any light coming into your eyes the way sunglasses do) or transition coatings. It darkens the lenses in response to light, turning your glasses into sunglasses. These covers are just a matter of personal preference – go for it if you want cool colored lenses or have a different pair of sunglasses to switch back and forth with.
In the end, you don’t. Desire Any of these covers – your glasses will do their job without them – and the only cover is a good choice. Everyone It is an anti-scratch coating. For the rest, think about how they live and use your glasses before you shoot them.