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Doctor insights on: What Are The Best Eyeglass Lenses That Change To Dark Shade

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What are the best eyeglass lenses that change to dark shade ?

What are the best eyeglass lenses that change to dark shade ?

Transitions: My personal favorite is transitions xtraactive which is one of the few photochromic lenses to actually darken in the car. Most lenses that darken automatically are activated by ultraviolet light and need to be directly expsed to uv light in order to activate/darken. The transition xtraactive lenses have a slight tint indoors but will darken in the car as well as outdoors. ...Read more

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Dr. Tim Conrad
495 doctors shared insights

Eyeglasses (Definition)

Babies sometimes need eyeglasses to correct vision or to correct ...Read more


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What is the best way to reduce your eyeglasses prescription?

Get laser surgery: This will reduce or eliminate your need for glasses. ...Read more

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What is the best way to clean eyeglasses?

Lens cloths: Lint free lens cloths are a great investment. They are cheap and really clean lenses wonderfully. ...Read more

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I just bought contact lenses and i noticed a dramatic change in my vision from my eyeglasses. I see way clearer. I feel and see shapes and size, why ?

I just bought contact lenses and i noticed a dramatic change in my vision from my eyeglasses. I see way clearer. I feel and see shapes and size, why ?

You probably: have a major component of astigmatism which is more "completely" corrected by contacts up against your lens! Many people find contacts far superior to eyeglasses especially with very nearsighted folks and/or folks with astigmatism! Hope this helps! DR Z ...Read more

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What damage to our eyes with a defective eyeglass lens?

What damage to our eyes with a defective eyeglass lens?

Glasses prescription: An incorrect prescription may give you a headache or cause blurry vision, but shouldn't damage your eyes. ...Read more

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Is polycarbonate eyeglass lens expensive?

Is polycarbonate eyeglass lens expensive?

A little more: Polycarbonate lenses have a higher index of refraction and can be made a little thinner which lightens the eyeglasses and makes them more comfortable. So they charge a little more for them. I consider eyeglass costs way too high for the technology and manufacturing costs, but it is an industry charging what the public will put up with. ...Read more

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How does an eyeglass lens differ from a magnifying glass lens?

How does an eyeglass lens differ from a magnifying glass lens?

Very different: Eyeglass lenses can either magnify, minify (make images smaller) or correct astigmatism. Magnifying glasses are used in readers and prescription lenses for farsighted and presbyopic people, while minifying lenses are used for those with nearsightedness. Also, there can be magnification or minification with astigmatism correction at the same time. Glasses are built specifically for your vision. ...Read more

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