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These are the coatings you really need on a new pair of glasses

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Buying glasses can feel eerily similar to buying a new car: prices are often hidden from you, they cost more than they’re entitled to, and there are a bunch of mysterious upgrades thrust on you. coatings I’m talking about coatings: the anti-scratch, anti-glare material you can add to your lenses to make your glasses, and your vision, ever more powerful. On the surface, this sounds like common sense. (Like a man who once cleaned his glasses on a concrete-spattered shirttail that acted like sandpaperanti-scratch coatings sound like a good idea). But do these coatings really work and do they really need any of them?

Scratch resistant coatings

It’s simply a clear coating applied to the front and back of your lenses that helps protect them from scratches and scuffs as you grope your way through your friction-filled life. Almost all modern lenses are fairly scratch-resistant in their basic form, but the word “resistant” doesn’t mean “waterproof,” so it’s always a good idea to add a little extra protection. If you have the option to add extra scratch resistance, it’s usually worth it because it extends the life of your glasses.

Recommendation: Difficult yes.

anti-reflective coatings

This coating reduces the amount of light reflected by your lenses. This can help improve the clarity of what you’re looking at, especially computer screens, which shoot light in the eyes and helps with night vision, especially when driving. Contrary to what you might have heard, they won’t actually do much with light glare, like when someone puts their high beams on you down the road. However, not everyone needs AR coatings; if you don’t drive much at night and don’t do much work in front of a screen, you may never notice the need for this.

Recommendation: It depends on your lifestyle.

ultraviolet coatings

Ultraviolet (UV) light is the violence of the sa ray towards us every day: it is the same ray of light that blesses us with sunburn and, eventually, skin cancer. So, as you can imagine, it’s not super good for your eyes, which is why most sunglasses advertise a certain amount of UV protection. However, keep in mind that your standard uncoated eyeglass lens already blocks most UV rays; the coating just increases that to 100% protection.

Recommendation: distress a bad idea, but only essential if you spend a lot of time in the sun.

anti-fog coatings

This coating is intended to reduce or eliminate that death-defying moment when you step out into the cold weather and your glasses immediately go opaque with water vapor, or when you put on that mask and your own exhalation turns against you. You can get a coating on your lenses that will combat fogging, but it’s not always available if you have a complex prescription or other lens coatings, and it will it only lasts about 1-2 years. You may be better off using one of the many wipes, sprays, and gels available to prevent fogging, or just deal with the occasional snag.

Recommendation: I’ll probably jump.

blue light blockers

All the screens we look at all day give us “blue light,” a frequency of visible light that has been shown to have a negative impact in our overall health. So getting a coating that filters out this blue light might seem like a good idea. But there’s really no evidence that a layer of blue light will do you any good: Most of the problems we experience with our eyes after a long day of staring at screens have nothing to do with blue light. This coating won’t do you any harm, but it probably won’t do you any good.

Recommendation: Pass

There are other coatings you can get, like a mirror coating that will tint your lenses, keeping them opaque so people can’t see into your eyes (but won’t block light from entering your eyes like sunglasses do), or transition coatings. that dark lenses in response to light, transforming your glasses into sunglasses. These coatings are just a personal choice – if you want cool colored lenses or hate having separate sunglasses to switch back and forth, go for it.

in the end you don’t need any of these coatings (your glasses will work just as well without them) and the only coating that is a good choice for all the world is the anti-scratch coating. Otherwise, consider how you live and how you use your glasses before shelling out for them..

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