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2. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

3. 10 Great Sites to Buy Cheap Eyeglasses Online - AOL

   www.aol.com/10-great-sites-buy-cheap-140036394.html

   Warby usually takes five to 10 business days to ship your order, with home try-ons arriving in about five days. 2. Zenni Optical. Probably one of the cheapest online eyewear stores out there ...

4. Computer vision syndrome - Wikipedia

   en.wikipedia.org/wiki/Computer_vision_syndrome

   Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.

5. Self-driving cars, AI and near-oblivion at a CVS drive-thru - AOL

   www.aol.com/self-driving-cars-ai-near-124400182.html

   Jul. 29—Mr. Oblivious Bicyclist didn't so much as glance over his shoulder before taking the curve at speed, suddenly veering rightward past the corner CVS and slotting himself between the Volvo ...

6. Bioptics (device) - Wikipedia

   en.wikipedia.org/wiki/Bioptics_(device)

   Bioptics (device) Bioptics, also known as a bioptic in the singular, and sometimes more formally termed a bioptic telescope, is a term for a pair of vision -enhancement lenses. They magnify between two and six times, and are used to improve distance vision for those with severely impaired eyesight, especially those with albinism.

7. 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.