enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]

3. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   Corrective lens. A pair of contact lenses, positioned with the concave side facing upward. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia.

4. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   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 ...

5. Have your solar glasses? Only 4 weeks until Ohio's solar ...

   www.aol.com/solar-glasses-only-4-weeks-092148832...

   Schools, libraries and many civic organizations have also received shipments and plan to distribute them to children and families. Only wear solar glasses marked ISO 12312-2:2015

6. 'Don't wear your eclipse glasses while driving': Ohio ... - AOL

   www.aol.com/dont-wear-eclipse-glasses-while...

   Don't wear eclipse glasses while driving. Ohio Department of Transportation Director Jack Marchbanks reminded motorists not to wear eclipse glasses while on the road− they aren't sunglasses ...

7. 100K eclipse glasses ordered for Ohio state parks - AOL

   www.aol.com/100k-eclipse-glasses-ordered-ohio...

   4th graders Ryan Steward, 9, left, Linden Marim, 9, center, and Drew Adamkosky, 9, right, from Oak Creek elementary in Olentangy watch the start of the solar eclipse during the COSI solar eclipse ...