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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. Esotropia - Wikipedia

   en.wikipedia.org/wiki/Esotropia

   Esotropia is a form of strabismus in which one or both eyes turns inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria.

4. Maddox rod - Wikipedia

   en.wikipedia.org/wiki/Maddox_rod

   The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...

5. Walmart Gets Laser-Focused on Lowest Prices Again - AOL

   www.aol.com/2012/03/29/walmart-gets-laser...

   Walmart (WMT) has put out an APB for shoppers: "We have the lowest prices all the time. Period." This week, the nation's biggest retailer detailed its $2 billion plan to "reinvest" in low prices ...

6. I'm a shopping editor and this digital photo frame is at the ...

   www.aol.com/lifestyle/im-a-shopping-editor-and...

   This Mason by Aura digital frame is one of our tech editor's top picks for digital frames, and today, it's on sale at Walmart. Aura Frames. Mason by Aura Frames, $169 $200 Save $31. This 9-inch Wi ...

7. Here are the best flash sales of the week at Walmart. - AOL

   www.aol.com/lifestyle/walmart-flash-picks-091922...

   This week's best deals to shop at Walmart — save more than 80% on outdoor, tech, style and more The best places to shop for affordable rugs online 10 pairs of cute and comfortable sandals for ...

8. Strabismus - Wikipedia

   en.wikipedia.org/wiki/Strabismus

   Glasses, surgery [3] Frequency. ~2% (children) [3] Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [2] The eye that is pointed at an object can alternate. [3] The condition may be present occasionally or constantly. [3]

9. Walmart's End-of-Year Clearance sale is happening right now - AOL

   www.aol.com/article/lifestyle/2019/01/03/walmart...

   Attention all shoppers! Walmart's End-of-Year Clearance sale is happening right now -- and it's one you won't want to miss.. Walmart is one of our very favorite one-stop-shops for everything on ...