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2. Astigmatism (optical systems) - Wikipedia

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

   An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the vertical and horizontal lines will be in sharp focus at two different distances. The term comes from the Greek α- ( a-) meaning "without" and ...

3. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/Eyeglass_prescription

   Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. 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.

4. Astigmatism - Wikipedia

   en.wikipedia.org/wiki/Astigmatism

   Astigmatism may be corrected with eyeglasses, contact lenses, or refractive surgery. [1] Glasses are the simplest and safest, although contact lenses can provide a wider field of vision . Refractive surgery can eliminate the need to wear corrective lenses altogether by permanently changing the shape of the eye but, like all elective surgery ...

5. Optometry - Wikipedia

   en.wikipedia.org/wiki/Optometry

   Optometry is a specialized health care profession that involves examining the eyes and related structures for defects or abnormalities. Optometrists are health care professionals who typically provide comprehensive eye care. In the United States and Canada, optometrists are those that hold a Doctor of Optometry degree.

6. 6 simple ways to save money on your prescriptions — without ...

   www.aol.com/finance/save-money-prescription...

   As you wait for prescription drug costs to come down from the clouds, here's how you can save money on the medications you need. 1. Use a coupon program. If you don't have insurance, a ...

7. This device lets you use your phone or tablet hands-free ...

   www.aol.com/lifestyle/tablet-phone-ereader-hands...

   Hands Free Tablet & Stand Holder Clip. $16 $26 Save $10. Whether you're a new parent doing midnight feedings or you hate holding up a book while trying to read in bed, this hands-free tablet stand ...