Is there a big difference between 1.6 and 1.67 lenses?

Basically, if your astigmatism is impacting your daily life, you’ll probably need glasses. An ophthalmologist or optometrist can check your eye health and perform a vision test to find out if you would reap the benefits of glasses and will provide the prescription for the eyes. Among the kindest things we are able to do for our planet is to take full advantage of what we curently have. For us, which means extending the life of our frames by giving our glasses another chance to shine with Reframe. When you first receive your new frames, you might find that looking through the lenses feels just a little strange. It can take around two weeks for the eyes to adjust to your glasses.

For many patients, thinner lenses improve function and comfort, and accentuating the design of your new frames. The 1.67 High-Index lenses are 20% thinner than Polycarbonate and 30% thinner than Standard with exactly the same prescription. For higher prescriptions, this lens material and index is effective due to its reduced weight and edge thickness. A lens that’s rated at a higher index can slow and bend light rays better than standard index lenses. As the quality of the material uses light better, the need for additional material to improve the path of light rays is unnecessary. Lens index is a measurement on the lens thickness chart that dictates the thickness of one’s lenses.

• durability.
• ZEISS Single Vision AS 1.6 is a high index plastic lens with an aspheric surface design.

Some prescriptions will benefit a lot more with Ultra thinner lenses, that could be up to 45% thinner and lighter. They’ll be easier to have the lens edges hidden within the frame of the glasses. They’ll look less noticeable when people look at your glasses.
Generally, doctors consider eyeglasses to be the safest solution to correct your eyesight. Unfortunately, in case you have a solid prescription, regular eyeglass lenses can be thick and heavy. The high-index makes the OS lens thinner and being aspheric will makes it even flatter. The 1.56 Mid-Index lenses are automatically included in our frame prices.
Lens index is the refractive index of an eyewear’s lens material. This is used to improve refractive errors such as myopia and hyperopia . However, in case you are in need of an extremely strong prescription, it really is absolutely worth the excess cost! Your glasses will be more comfortable and more flattering, and that will improve your standard of living overall. People who are self conscious about the thickness of their lenses. People who wear contacts because traditional lenses distort their eyes.

• They also protect people from headaches and dry eye that occurs as a result of looking at screens so much.
• Rather than constantly changing between two pairs of glasses, keep things easy with a set of glasses with this free-form designed Varifocal lenses.

All prescription lens types can be used for both eyeglasses and sunglasses, unless indicated otherwise on the product. High-index lenses are usually scratch resistant and can fit into nearly every type of frame. They can also be treated with anti-scratch, anti-reflective, and UV-protection coatings to improve vision and lens durability. These lenses can be not even half the weight of regular glass lenses and 25% to 30% lighter than regular plastic lenses. Aspheric lenses are made with flatter curves and have a noticeably slimmer profile than regular plastic lenses.