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With prices starting at $60 per frame, prescription lenses included, Pair is already pretty affordable. However, for a limited time, Yahoo Life readers can save 15 percent on any Pair Eyewear ...
The post These magnetic lashes are on in a snap appeared first on In The Know. In this episode of Make Me Up, host Melanie Sutrathada (@melaniesutra) shows how to apply magnetic lashes, then pairs ...
Snap invited me to try their new Spectacles AR glasses. They're only available to developers, but the smart glasses have some fun features. I tried Snap's AR glasses, Spectacles.
Spectacles glasses capture video in a circular format, as shown in the thumbnail to the right. Snap Inc claims this is to more closely approximate the field of view of the human eye. [dubious – discuss] The glasses are exclusive to Snap Inc's service, Snapchat. They are paired by looking at the user's account Snapcode and pressing the button ...
A prescription of −1.00 +0.25 × 180 describes a lens that has a horizontal power of −1.00 D and a vertical power of −0.75 D. Only ophthalmologists write prescriptions in + cylinder. An optometrist would write a prescription in - (minus) cylinder. All spectacle and contact lenses would be made in minus cylinder.
Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.
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