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  2. Selamectin - Wikipedia

    en.wikipedia.org/wiki/Selamectin

    Selamectin, sold under the brand name Revolution, among others, is a topical parasiticide and anthelminthic used on dogs and cats. [2] It treats and prevents infections of heartworms, fleas, ear mites, sarcoptic mange (scabies), and certain types of ticks in dogs, and prevents heartworms, fleas, ear mites, hookworms, and roundworms in cats.

  3. Chicken eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Chicken_eyeglasses

    Red-tinted lenses were considered effective in reducing internecine pecking because they disguise the color of blood. [7] As summed up in a 1953 article in Indiana's National Road Traveler newspaper, "The deep rose-colored plastic lenses make it impossible for the cannibal [chicken] to see blood on the other chickens, although permitting it to see the grain on the ground."

  4. Ballistic eyewear - Wikipedia

    en.wikipedia.org/wiki/Ballistic_eyewear

    Some options, including the Wiley X PT-1 and Talon as well as Revision's Sawfly and the Desert Locust Goggle can be obtained in prescription lenses that meet the ballistic protection standards. In addition to impact requirements, the U.S. Army requires for its soldiers that ballistic eyewear be functional, reasonably comfortable, not faddish (i ...

  5. Anti-reflective coating - Wikipedia

    en.wikipedia.org/wiki/Anti-reflective_coating

    Uncoated glasses lens (top) versus lens with anti-reflective coating. The reflection from the coated lens is tinted because the coating works better at some wavelengths than others. An antireflective , antiglare or anti-reflection ( AR ) coating is a type of optical coating applied to the surface of lenses , other optical elements, and ...

  6. Polyvinylpyrrolidone - Wikipedia

    en.wikipedia.org/wiki/Polyvinylpyrrolidone

    PVP is used in some contact lenses and their packaging solutions. It reduces friction, thus acting as a lubricant, or wetting agent , built into the lens. Examples of this use include Bausch & Lomb 's Ultra contact lenses with MoistureSeal Technology, [ 9 ] Air Optix contact lens packaging solution (as an ingredient called "copolymer 845 ...

  7. Nictitating membrane - Wikipedia

    en.wikipedia.org/wiki/Nictitating_membrane

    The nictitating membrane of a masked lapwing as it closes over the left eye, originating from the medial canthus. The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus to protect and moisten it while maintaining vision.