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2. Astigmatism (optical systems) - Wikipedia

   en.wikipedia.org/wiki/Astigmatism_(optical_systems)

   Astigmatism can be often corrected by glasses with a lens that has different radii of curvature in different planes (a cylindrical lens), contact lenses, or refractive surgery. [5] Astigmatism is quite common. Studies have shown that about one in three people suffers from it. [6] [7] [8] The prevalence of astigmatism increases with age. [9]

3. Optics and vision - Wikipedia

   en.wikipedia.org/wiki/Optics_and_vision

   Glasses (also called eyeglasses or spectacles) are frames bearing lenses worn in front of the eyes, normally for vision correction, eye protection, or for protection from UV rays. Modern glasses are typically supported by pads on the bridge of the nose and by temple arms placed over the ears .

4. Astigmatism - Wikipedia

   en.wikipedia.org/wiki/Astigmatism

   People with astigmatism have more difficulty with night driving and can have a decreased productivity due to errors. However, there are many ways to help correct astigmatisms: The use of glasses or contacts, Toric intraocular lenses, Toric implantable Collamer lenses, and/or corneal refractive surgery have been shown to correct astigmatisms.

5. Progressive lens - Wikipedia

   en.wikipedia.org/wiki/Progressive_lens

   Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power , added to the wearer's correction for the other refractive errors .

6. 10 Most Expensive Sunglasses in the World and What They Cost

   www.aol.com/10-most-expensive-sunglasses-world...

   The most expensive sunglass brand in the world is technically Chopard, which has made the world's most expensive sunglasses – the Chopard de Rigo Vision, which sells for $408,000. But plenty of ...

7. New eyeglasses give Kiké Hernández a new outlook on hitting

   www.aol.com/news/eyeglasses-kik-hern-ndez...

   Kiké Hernández was diagnosed with astigmatism in his right eye and given glasses. Since then, his hitting has markedly improved. ... 800-290-4726 more ways to reach us. Sign in. Mail.