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2. Strabismus surgery - Wikipedia

   en.wikipedia.org/wiki/Strabismus_surgery

   The earliest successful strabismus surgery intervention is known to have been performed on 26 October 1839 by Johann Friedrich Dieffenbach on a 7-year-old esotropic child; a few earlier attempts had been performed in 1818 by William Gibson of Baltimore, a general surgeon and professor at the University of Maryland. [2]

3. Dispersive prism - Wikipedia

   en.wikipedia.org/wiki/Dispersive_prism

   Photograph of a triangular prism, dispersing light Lamps as seen through a prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow). Different wavelengths (colors) of light will be deflected by the prism at different angles. [1]

4. Worth 4 dot test - Wikipedia

   en.wikipedia.org/wiki/Worth_4_dot_test

   There are no large glasses frames such as in the Bagolini striated glasses test so the goggles are minimally obstructive to the patient's vision [1] Refractive correction can be worn under the goggles [2] Good starting point when investigating the nature of diplopia i.e. to find manifest, intermittent, crossed or uncrossed diplopia

5. Google Glass - Wikipedia

   en.wikipedia.org/wiki/Google_Glass

   Google Glass, or simply Glass, is a discontinued brand of smart glasses developed by Google's X Development (formerly Google X), [9] with a mission of producing a ubiquitous computer. [1]

6. Fixation disparity - Wikipedia

   en.wikipedia.org/wiki/Fixation_disparity

   Eye glasses with an included prism power is the optical method to reduce a fixation disparity. Different procedures have been proposed to determine the required amount of prism for the individual. Based on prism-FD curves (Fig. 3b), one can find the aligning prism sP 0 that nullifies the naturally prevailing fixation disparity sFD 0. This test ...

7. Lens - Wikipedia

   en.wikipedia.org/wiki/Lens

   A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.