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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. Anti-facial recognition mask - Wikipedia

   en.wikipedia.org/wiki/Anti-facial_recognition_mask

   An anti-facial recognition mask is a mask which can be worn to confuse facial recognition software. This type of mask is designed to thwart the surveillance of people by confusing the biometric data. There are many different types of masks which are used to trick facial recognition technology. One low-technology method is to simply wear a mask ...

4. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/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. Contact lenses are worn directly on the surface of the eye.

5. Struggling to get kids to mask up? These expert and parent ...

   www.aol.com/lifestyle/struggling-kids-mask...

   From letting kids mask up their favorite stuffed animal to helping them choose the most comfortable fabrics for their facial coverings, there are ways to make wearing a mask a little more manageable.

6. The 7 Best Places to Buy N95, KN95 and KF94 Face Masks for ...

   www.aol.com/8-best-places-buy-n95-203000418.html

   1. Vida Kids Mask with KN95 Protection. These USA-made kids’ masks feature a five-layer filtration system and a 95 to 99 percent efficiency, per Vida’s website. (And according to Collins ...

7. The Best Face Masks for Kids, According to Doctors - AOL

   www.aol.com/news/best-face-masks-kids-185106412.html

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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. Omicron spawns U.S. search for better kids' masks - AOL

   www.aol.com/lifestyle/omicron-spawns-u-search...

   The fast-spreading Omicron variant stoked U.S. interest in better masks for children to ward off COVID-19, and that is adding fuel to an effort that could set the stage for domestic oversight of ...