enow.com Web Search

  1. Ads

    related to: order color contact lenses

Search results

  1. Results from the WOW.Com Content Network
  2. Achromatic lens - Wikipedia

    en.wikipedia.org/wiki/Achromatic_lens

    In theory, the process can continue indefinitely: Compound lenses used in cameras typically have six or more simple lenses (e.g. double-Gauss lens); several of those lenses can be made with different types of glass, with slightly altered curvatures, in order to bring more colors into focus.

  3. Orthokeratology - Wikipedia

    en.wikipedia.org/wiki/Orthokeratology

    Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...

  4. Acuvue - Wikipedia

    en.wikipedia.org/wiki/Acuvue

    In 1981, Johnson & Johnson acquired Frontier Contact Lenses and renamed the company Vistakon. [1] The production process at the time of sale was very manual—every employee on the production line handled the lenses, whether they were lathing, polishing, or inspecting. Vistakon decided to invest in a new production process in order to scale.

  5. History of photographic lens design - Wikipedia

    en.wikipedia.org/wiki/History_of_photographic...

    Reversed achromatic lens. Charles Chevalier's Paris optical firm produced lenses for both Niépce and Daguerre for their experiments in photography.In 1829 [3] [citation needed], Chevalier created an achromatic lens (a two-element lens made from crown glass and flint glass) to cut down on chromatic aberration for Daguerre's experiments.

  6. Voigtländer - Wikipedia

    en.wikipedia.org/wiki/Voigtländer

    Additional post-war lenses include: Helomar; Dynarex, Dynaret, Color-Dynarex, Super-Dynarex, Super-Dynaret, telephoto lenses; Septon, comparable to the Ultron; In addition, Voigtländer offered the Zoomar with its Bessamatic starting from 1959. The Zoomar was designed by Frank G.

  7. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Anaglyph 3D glasses have a different colored filter for each eye, typically red and blue or red and green. A polarized 3D system on the other hand uses polarized filters. Polarized 3D glasses allow for color 3D, while the red-blue lenses produce an image with distorted coloration. An active shutter 3D system uses electronic shutters.

  1. Ads

    related to: order color contact lenses