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The unwanted interference effects are suppressed by vapour-depositing a special dielectric coating known as a phase-compensating coating on the roof surfaces of the roof prism. These phase-correction coating or P-coating on the roof surfaces was developed in 1988 by Adolf Weyrauch at Carl Zeiss [6] Other manufacturers followed soon, and since ...
A Bauernfeind prism is used together with a Schmidt roof prism to form a Schmidt–Pechan prism. Applications [ edit ] The Bauernfeind prism is commonly used in microscope tubes and in geodesy to deviate the path to the eyepiece in order make the device more ergonomic.
When the prism is placed in front of the non-deviating eye, both eye will produce a conjugate movement in the direction of the prism apex. However unlike a normal response, the fellow deviated eye will not make a corrective movement because diplopia has not been appreciated since the image will fall into the suppression scotoma. [citation needed]
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] Google Glass displays information to the wearer using a head-up display. [10] Wearers communicate with the Internet via natural language voice commands. [11] [12]
In cases of accommodative esotropia, the eyes turn inward due to the effort of focusing far-sighted eyes, and the treatment of this type of strabismus necessarily involves refractive correction, which is usually done via corrective glasses or contact lenses, and in these cases surgical alignment is considered only if such correction does not ...
Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia , hyperopia , and/or astigmatism . History
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