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2. Rimless eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Rimless_eyeglasses

   The template for rimless eyeglasses date back to the 1820s, when an Austrian inventor named Johann Friedrich Voigtländer [] marketed a rimless monocle. [2] The design as it is known today arose in the 1880s [3] as a means to alleviate the combined weight of metal frames with heavy glass lenses.

3. Glasses - Wikipedia

   en.wikipedia.org/wiki/Glasses

   Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.

4. Bifocals - Wikipedia

   en.wikipedia.org/wiki/Bifocals

   Adaptation to the small field of view offered by the reading segment of bifocals can take some time, as the user learns to move either the head or the reading material rather than the eyes. Computer monitors are generally placed directly in front of users and can lead to muscle fatigue due to the unusual straight and constant movement of the ...

5. What You Should — And Shouldn't — Buy at Discount Stores

   www.aol.com/finance/shouldnt-buy-discount-stores...

   It may be time for you to get reading glasses and we know where to get a stylish and inexpensive pair. You can generally find pairs between +1.0 and +3.25 diopters, the measurement used for a ...

6. I tried those Pair Eyewear glasses with the magnetic frames ...

   www.aol.com/lifestyle/tried-those-pair-eyewear...

   But the glasses themselves (which took around 10 days to arrive — your mileage may vary) are great; they're lightweight and comfortable, and Pair nailed my fairly complicated progressive-lens ...

7. Anaglyph 3D - Wikipedia

   en.wikipedia.org/wiki/Anaglyph_3D

   Low-power reading glasses worn along with the paper glasses also sharpen the image noticeably. The correction is only about 1/2 + diopter on the red lens. However, some people with corrective glasses are bothered by difference in lens diopters, as one image is a slightly larger magnification than the other.