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1. EYE - National Vision Holdings, Inc.

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   14.64+0.47 (+3.32%)

   at Thu, May 30, 2024, 4:00PM EDT - U.S. markets open in 6 hours

   Nasdaq Real Time Price

   • Open 14.50
   • High 14.90
   • Low 14.44
   • Prev. Close 14.17

   • 52 Wk. High 27.02
   • 52 Wk. Low 13.71
   • P/E N/A
   • Mkt. Cap 1.15B

   • NasdaqGS
   • •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. Zenni Optical - Wikipedia

   en.wikipedia.org/wiki/Zenni_Optical

   Zenni Optical (formerly 19dollareyeglasses.com) is an American online retailer of prescription glasses and sunglasses. Founded in 2003 by Tibor Laczay and Julia Zhen, it is based in Novato, California . The company sells more than 2,000 types of prescription glasses and sunglasses but does not sell contact lenses.

5. Prism cover test - Wikipedia

   en.wikipedia.org/wiki/Prism_Cover_Test

   Purpose. measuring strabismus. The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]

6. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.

7. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/Eyeglass_prescription

   A spherical lens has the same curvature in every direction perpendicular to the optical axis. Spherical lenses are adequate correction when a person has no astigmatism. To correct for astigmatism, the "cylinder" and "axis" components specify how a particular lens is different from a lens composed of purely spherical surfaces. Cylinder component

8. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia ) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both.