Ads
related to: can you get prescribed sunglasses for bad legs and eyeseyebuydirect.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.
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.
Sunglasses can be worn to hide one's eyes. They can make eye contact impossible, which can be intimidating to those not wearing sunglasses; the avoided eye contact can also demonstrate the wearer's detachment, [citation needed] which is considered desirable (or "cool") in some circles. Eye contact can be avoided even more effectively by using ...
Unlike regular sunglasses with tinted lenses, polarized sunglasses reduce glare in addition to protecting your eyes from harmful rays, so you can avoid squinting through your day and getting eye ...
For premium support please call: 800-290-4726 more ways to reach us
BVD Back vertex distance is the distance between the back of the spectacle lens and the front of the cornea (the front surface of the eye). This is significant in higher prescriptions (usually beyond ±4.00D) as slight changes in the vertex distance for in this range can cause a power to be delivered to the eye other than what was prescribed.
Ads
related to: can you get prescribed sunglasses for bad legs and eyeseyebuydirect.com has been visited by 10K+ users in the past month