When.com Web Search

  1. Ads

    related to: what were glasses originally called

Search results

  1. Results From The WOW.Com Content Network
  2. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    The first lenses for correcting astigmatism were designed by the British astronomer George Airy in 1825. [57] Over time, the construction of frames for glasses also evolved. Early eyepieces were designed to be either held in place by hand or by exerting pressure on the nose .

  3. Eyewear - Wikipedia

    en.wikipedia.org/wiki/Eyewear

    The first incarnations of glasses were made with the aim of providing aid to reading. [ 8 ] Though innovations in pre-modern eyewear technology occurred in both Imperial China and the Inuit territories, which both invented early forms of sunglasses and goggles, [ 9 ] Venice and Northern Italy have historically been the place of consolidation ...

  4. List of oldest eyewear companies - Wikipedia

    en.wikipedia.org/wiki/List_of_oldest_eyewear...

    This page provides a list of the oldest brands and companies operating only in the eyewear manufacturing business to date and in any country. "Eyewear", although a relatively modern terminology, refers to the category of all items and accessories worn over the eyes for fashion adornment, protection against the environment and medical issues, including glasses (also called eyeglasses or ...

  5. History of glass - Wikipedia

    en.wikipedia.org/wiki/History_of_glass

    The first Persian glass comes in the form of beads dating to the late Bronze Age (1600 BCE), and was discovered during the explorations of Dinkhah Tepe in Iranian by Charles Burney. Glass tubes were discovered by French archaeologists at Chogha Zanbil, belonging to the middle Elamite period.

  6. History of optics - Wikipedia

    en.wikipedia.org/wiki/History_of_optics

    It has been proposed that glass eye covers in hieroglyphs from the Old Kingdom of Egypt (c. 2686–2181 BCE) were functional simple glass meniscus lenses. [39] The so-called Nimrud lens, a rock crystal artifact dated to the 7th century BCE, might have been used as a magnifying glass, although it could have simply been a decoration. [40] [41 ...

  7. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    In 1913, Crookes lenses [17] were introduced, [18] made from glass containing cerium, which completely blocked ultraviolet light. [19] [20] In the early 1920s, the use of sunglasses started to become more widespread, especially among movie stars. Inexpensive mass-produced sunglasses made from celluloid were first produced by Sam Foster in 1929.