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1. EYE - National Vision Holdings, Inc.

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   15.47+0.38 (+2.52%)

   at Mon, Jun 3, 2024, 4:00PM EDT - U.S. markets open in 4 hours 19 minutes

   Nasdaq Real Time Price

   • Ask Price 15.50
   • Bid Price 15.47
   • P/E N/A
   • 52 Wk. High 27.02

   • 52 Wk. Low 13.71
   • Mkt. Cap 1.22B

   • NasdaqGS
   • •Price in USD

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3. Aberrations of the eye - Wikipedia

   en.wikipedia.org/wiki/Aberrations_of_the_eye

   Aberrations of the eye. The eye, like any other optical system, suffers from a number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. [1] Correction of spherocylindrical refractive errors has been possible for nearly two centuries following Airy's development of methods ...

4. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   The most common application for this is the treatment of strabismus. By moving the image in front of the deviated eye, double vision can be avoided and comfortable binocular vision can be achieved. Other applications include yoked prism where the image is shifted an equal amount in each eye.

5. Four prism dioptre reflex test - Wikipedia

   en.wikipedia.org/wiki/Four_prism_dioptre_reflex_test

   The Four Prism Dioptre Reflex Test (also known as the 4 PRT, or 4 Prism Dioptre Base-out Test) is an objective, non-dissociative test used to prove the alignment of both eyes (i.e. the presence of binocular single vision) by assessing motor fusion.

6. Homonymous hemianopsia - Wikipedia

   en.wikipedia.org/wiki/Homonymous_hemianopsia

   Causes. brain bleed, brain inflammation, brain tumor, dementia, epilepsy, lymphoma, other kinds of brain injuries, and stroke. Diagnostic method. magnetic resonance imaging. Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes.

7. Scintillating scotoma - Wikipedia

   en.wikipedia.org/wiki/Scintillating_scotoma

   Causes. Scintillating scotomas are most commonly caused by cortical spreading depression, a pattern of changes in the behavior of nerves in the brain during a migraine. Migraines, in turn, may be caused by genetic influences and hormones.

8. Prism (optics) - Wikipedia

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

   An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.