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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. Diplopia - Wikipedia

   en.wikipedia.org/wiki/Diplopia

   The provider may prescribe an eye patch to relieve the double vision. The patch can be removed after the nerve heals. Surgery or special glasses (prisms) may be advised if there is no recovery in 6 to 12 months. If diplopia turns out to be intractable, it can be managed as last resort by obscuring part of the patient's field of view.

4. Prism (optics) - Wikipedia

   en.wikipedia.org/wiki/Prism_(optics)

   Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.

5. Porro prism - Wikipedia

   en.wikipedia.org/wiki/Porro_prism

   Double Porro prism or Porro 1 optical system. A double Porro prism system reflects light four times. Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but ...

6. 10 Items at Walmart That Cost Way More at Target - AOL

   www.aol.com/10-items-walmart-cost-way-120009414.html

   Walmart has the RB3025 glasses on sale right now. At Target, even on sale, the same style will cost you almost $60 more. Read More: 10 of the Most Expensive Luxury Brands Online in 2023

7. Walmart's answer to Amazon Prime Day is coming: Here's when ...

   www.aol.com/lifestyle/walmarts-largest-deals...

   Walmart just announced Walmart Deals, or more casually known as Walmart's anti-Prime Day sale, will kick off on Monday, July 8 at 5pm ET and run through Thursday, July 11 at 11:59pm PT. There will ...