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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 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. Glasses or "spectacles" are worn on the face a short distance in front of the eye.

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   How long Amazon Prime Video’s free trial? Amazon Prime Video Free Trial $0. Buy Now. Amazon Prime Video’s free trial is four times longer than most other streaming services. Compared to ...

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   For example, Amazon Prime is just $6.99 a month for eligible EBT/Medicaid recipients (after a free 30-day trial). That means you’ll get all the benefits of Amazon Prime but at half the price.

7. Here's What's Worth Buying During Amazon Prime Big Deal Days

   www.aol.com/everything-know-amazon-prime-big...

   Best October Prime Day Tech Deals. Prime Day events are some of the best times of the year to save on tech gadgets.There's deals like $500 off a MacBook Pr0 if you've been waiting for a laptop ...

8. Amazon Prime - Wikipedia

   en.wikipedia.org/wiki/Amazon_Prime

   Amazon Prime. Amazon Prime (styled as prime) is a paid subscription service of Amazon which is available in various countries and gives users access to additional services otherwise unavailable or available at a premium to other Amazon customers. Services include same, one- or two-day delivery of goods, and streaming music, video, e-books ...

9. Shop the secret deals only available for Amazon Prime ... - AOL

   www.aol.com/lifestyle/shop-the-secret-deals-only...

   Updated May 29, 2024 at 10:23 AM. Shop the secret deals only available for Amazon Prime members — starting at just $8. An Amazon Prime membership can boast some serious perks, among them free ...