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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. Prism cover test - Wikipedia

   en.wikipedia.org/wiki/Prism_Cover_Test

   The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]

4. 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.

5. As Seen on TV review: HD Vision sunglasses - AOL

   www.aol.com/news/2010-07-22-hd-vision-sunglasses...

   The Product: HD Vision Sunglasses The Price: HD Vision Ultra, online $10 plus $6.99 shipping and handling: $9.99 in some retail stores: HD Vision WrapAround, online $14.99 plus $7.95 shipping and ...

6. Here are the best 'As Seen on TV' items under $25 at Walmart

   www.aol.com/lifestyle/best-seen-tv-items-under...

   This discreet, travel-sized device makes it easy to remove hair on your brows, upper lip or chin without causing redness or irritation. It comes with a built-in light so you can see what you're ...

7. Scammers Are Now Targeting You Through Your Smart TV - AOL

   www.aol.com/finance/scammers-now-targeting-smart...

   For premium support please call: 800-290-4726 more ways to reach us

8. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/Eyeglass_prescription

   Eyeglass prescription. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient. If an eye examination indicates that corrective lenses are appropriate, the ...

9. ‘You don’t want to fall for this’: BBB warns of smart TV scam

   www.aol.com/don-t-want-fall-bbb-101838189.html

   The Better Business Bureau is warning of a scam involving popular streaming devices, such as Roku and Amazon Fire TV sticks, and services, like Netflix and YouTube TV. ‘You don’t want to fall ...