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Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...
Because of their thin, narrow frames, you can treat these readers almost like bifocals—if you have otherwise-fine eyesight, they’re easy to peer over. They also come in a wide range of ...
Ballistic eyewear. Ballistic eyewear is a form of glasses or goggles that protect from small projectiles and fragments. For the U.S. military, choices are listed on the Authorized Protective Eyewear List (APEL). [1] Ballistic eyewear including examples that meet APEL requirements are commercially available for anyone who wishes to buy it.
Authorized Protective Eyewear List. Authorized Protective Eyewear List (APEL) approved ballistic eyewear. The Authorized Protective Eyewear List (APEL) is a list of protective eyewear tested and approved by the U.S. Military for use by its soldiers. The APEL includes spectacles and goggles optimized for different situations.
If you’re looking for a pair of glasses sturdy enough to survive years of use, reach for this pair of welding glasses from Phillips Safety. These are rated shade 14 for the highest level of eye ...
Eye protection is protective gear for the eyes, and sometimes face, designed to reduce the risk of injury. Examples of risks requiring eye protection can include: impact from particles or debris, light or radiation, wind blast, heat, sea spray or impact from some type of ball or puck used in sports. Eye protection are typically separated into ...