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2. List of soft contact lens materials - Wikipedia

   en.wikipedia.org/wiki/List_of_soft_contact_lens...

   Soft contact lenses were first produced in 1961 ... Air Optix Night & Day Aqua Lotrafilcon B: 1: 33: 110-138: 1.0: 0.08: O 2 Optix, Air Optix for Astigmatism, Air ...

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. Contact lens - Wikipedia

   en.wikipedia.org/wiki/Contact_lens

   A pair of contact lenses, positioned with the concave side facing upward. Putting contacts in and taking them out. One-day disposable contact lenses with blue handling tint in blister-pack packaging. Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used ...

5. Why astigmatism causes blurry vision, especially at night - AOL

   www.aol.com/news/why-astigmatism-causes-blurry...

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6. Anastigmat - Wikipedia

   en.wikipedia.org/wiki/Anastigmat

   An anastigmat or anastigmatic lens is a photographic lens completely corrected for the three main optical aberrations: spherical aberration, coma, and astigmatism. Early lenses often included the word Anastigmat in their name to advertise this new feature ( Doppel-Anastigmat, Voigtländer Anastigmat Skopar, etc.).

7. Astigmatism - Wikipedia

   en.wikipedia.org/wiki/Astigmatism

   People with astigmatism have more difficulty with night driving and can have a decreased productivity due to errors. However, there are many ways to help correct astigmatisms: The use of glasses or contacts, Toric intraocular lenses, Toric implantable Collamer lenses, and/or corneal refractive surgery have been shown to correct astigmatisms. [33]