Ads
related to: specsavers prescription swimming goggles astigmatism
Search results
Results From The WOW.Com Content Network
Specsavers Optical Group Limited [1] is a British multinational optical retail chain, which operates mainly in the UK, Ireland, Australia, New Zealand, Canada, and the Nordic countries. The chain offers optometry and optician services for eyesight testing and sells glasses , sunglasses , and contact lenses .
These swimming goggles from brands like Speedo, Arena, Nike, and more keep you streamlined and comfortable for lap swimming, racing, and triathlons. 12 Best Swimming Goggles to Swim Like a Pro ...
The abbreviation PH is followed by the visual acuity as measured with a pinhole occluder, which temporarily corrects for refractive errors such as myopia or astigmatism. PHNI means no improvement of visual acuity using a pinhole occluder. So, distant visual acuity of 6/10 and 6/8 with pinhole in the right eye will be: DscOD 6/10 PH 6/8.
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.
However, with the right pair of specs, you're all set for an afternoon of fun. Our pick: These Portzon Dynamics Swim Goggles, which are currently on sale at Amazon starting at just $9, from $16 ...
The goggles were curved to fit the user's face and had a large groove cut in the back to allow for the nose. A long thin slit was cut through the goggles to allow in a small amount of light, diminishing subsequent ultraviolet rays. The goggles were held to the head by a cord made of caribou sinew.
Ads
related to: specsavers prescription swimming goggles astigmatism