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1. RAVE - Rave Restaurant Group, Inc.

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   1.90+0.02 (+1.06%)

   at Mon, Jun 3, 2024, 3:39PM EDT - U.S. markets close in 11 minutes

   Nasdaq Real Time Price

   • Open 1.86
   • High 1.94
   • Low 1.87
   • Prev. Close 1.88

   • 52 Wk. High 2.64
   • 52 Wk. Low 1.62
   • P/E 12.67
   • Mkt. Cap 27.71M

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   • •Price in USD

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3. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Prism correction. Prism lenses (here unusually thick) are used for pre-operative prism adaptation. Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions.

4. Prism (optics) - Wikipedia

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

   Prism spectacles with a single prism perform a relative displacement of the two eyes, thereby correcting eso-, exo, hyper- or hypotropia. In contrast, spectacles with prisms of equal power for both eyes, called yoked prisms (also: conjugate prisms, ambient lenses or performance glasses) shift the visual field of both eyes to the same extent.

5. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/Eyeglass_prescription

   Eyeglass prescription. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient. If an eye examination indicates that corrective lenses are appropriate, the ...

6. Optical glass - Wikipedia

   en.wikipedia.org/wiki/Optical_glass

   Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors.Unlike window glass or crystal, whose formula is adapted to the desired aesthetic effect, optical glass contains additives designed to modify certain optical or mechanical properties of the glass: refractive index, dispersion, transmittance, thermal expansion and ...

7. History of optics - Wikipedia

   en.wikipedia.org/wiki/History_of_optics

   History of optics. Modern ophthalmic lens making machine. Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek philosophers, and the development of geometrical optics in the Greco-Roman world. The word optics is derived from the Greek term ...

8. Crown glass (optics) - Wikipedia

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

   BAK-4 barium crown glass (glass code 569560) has a higher index of refraction than BK7, and is used for prisms in high-end binoculars. In that application, it gives better image quality and a round exit pupil. An achromatic doublet, which combines crown glass and flint glass.