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2. List of soft contact lens materials - Wikipedia

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

   Bausch & Lomb Ultra, Bausch & Lomb Ultra for Astigmatism, Bausch & Lomb Ultra for Presbyopia Elastofilcon: 0.2: 340: SilSoft Aphakic, SilSoft Super Plus Kalifilcon A 55 134: 0.5: 0.08: Bausch & Lomb INFUSE Asmofilcon A 40 161: 0.9: 0.08: Miru 1month Verofilcon A 51-80 (water gradient) 100 0.6: 0.09: Alcon Precision1, Alcon Precision1 for ...

3. Keratometer - Wikipedia

   en.wikipedia.org/wiki/Keratometer

   Keratometer. A keratometer, also known as an ophthalmometer, is a diagnostic instrument for measuring the curvature of the anterior surface of the cornea, particularly for assessing the extent and axis of astigmatism. It was invented by the German physiologist Hermann von Helmholtz in 1851, although an earlier model was developed in 1796 by ...

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. US FDA warns consumers over copycats of Bausch + Lomb ... - AOL

   www.aol.com/news/us-fda-warns-consumers-over...

   (Reuters) - The U.S. Food and Drug Administration (FDA) on Wednesday warned consumers not to use unapproved eye drops that closely resemble Bausch + Lomb's Lumify product for redness relief.

6. Bausch & Lomb - Wikipedia

   en.wikipedia.org/wiki/Bausch_&_Lomb

   Bausch & Lomb (since 2010 stylized as Bausch + Lomb [2]) is an American-Canadian eye health products company based in Vaughan, Ontario, Canada. It is one of the world's largest suppliers of contact lenses, [3] lens care products, pharmaceuticals, intraocular lenses, and other eye surgery products. [4] [5] The company was founded in Rochester ...

7. Astigmatism (optical systems) - Wikipedia

   en.wikipedia.org/wiki/Astigmatism_(optical_systems)

   An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the vertical and horizontal lines will be in sharp focus at two different distances. The term comes from the Greek α- ( a-) meaning "without" and ...