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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] This is a result of the prism material's index of ...
Purpose. extent of binocular functions. Bagolini striated glasses test, or BSGT, is a subjective clinical test to detect the presence or extent of binocular functions and is generally performed by an optometrist or orthoptist or ophthalmologist (medical/surgical eye doctor). It is mainly used in strabismus clinics.
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.
Walgreens Boots Alliance, Inc. ( WBA) is an American multinational holding company headquartered in Deerfield, Illinois, [2] which owns the retail pharmacy chains Walgreens in the US and Boots in the UK, as well as several pharmaceutical manufacturing and distribution companies. The company was formed on December 31, 2014, after Walgreens ...
Roof prism. A roof pentaprism used in Single-lens reflex cameras; the lower right face is the roof ( dach ). A roof prism, also called a Dachkanten prism or Dach prism (from German: Dachkante, lit. "roof edge"), is a reflective prism containing a section where two faces meet at a 90° angle, resembling the roof of a building and thus the name.
Billy Mays. William Darrell Mays Jr. (July 20, 1958 – June 28, 2009) [2] [3] was an American television direct-response advertisement salesperson. Throughout his career, he promoted a wide variety of products, including OxiClean, Orange Glo, Kaboom, Zorbeez, and Mighty Mendit.
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