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2. List of soft contact lens materials - Wikipedia

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

   The US Food and Drug Administration (FDA) defines soft contact lenses as: made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your ...

3. Waveguide (optics) - Wikipedia

   en.wikipedia.org/wiki/Waveguide_(optics)

   Waveguide (optics) An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum. Common types of optical waveguides include optical fiber waveguides, transparent dielectric waveguides made of plastic and glass, liquid light guides, and liquid waveguides. Optical waveguides are used as components in ...

4. Optics and vision - Wikipedia

   en.wikipedia.org/wiki/Optics_and_vision

   Optics and vision. Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images ...

5. Telescopic sight - Wikipedia

   en.wikipedia.org/wiki/Telescopic_sight

   A telescopic sight, commonly called a scope informally, is an optical sighting device based on a refracting telescope. [ 1] It is equipped with some form of a referencing pattern – known as a reticle – mounted in a focally appropriate position in its optical system to provide an accurate point of aim.

6. 'Of all the places': Deep red Butler, Pennsylvania, grapples ...

   www.aol.com/news/places-deep-red-butler...

   American flags wave along its main drag alongside black-and-white photos of local heroes who died in other wars fought in the name of democracy. The first jeep was produced here in 1940 at the ...

7. California Air Resources Board - Wikipedia

   en.wikipedia.org/wiki/California_Air_Resources_Board

   The California Air Resources Board (CARB or ARB) is an agency of the government of California that aims to reduce air pollution.Established in 1967 when then-governor Ronald Reagan signed the Mulford-Carrell Act, combining the Bureau of Air Sanitation and the Motor Vehicle Pollution Control Board, CARB is a department within the cabinet-level California Environmental Protection Agency.

8. Cat accidentally posted from Utah to California in return ...

   www.aol.com/lifestyle/cat-accidentally-posted...

   Remarkably, a pet cat was accidentally shipped to the Golden State, hundreds of miles from her home in Utah, in an Amazon return package. Galeana went missing in April, leaving her parents ...

9. 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 ...