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Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [1] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.
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.
An Abbe–Koenig prism is a type of reflecting prism, used to invert an image (rotate it by 180°). They are commonly used in binoculars and some telescopes for this purpose. The prism is named after Ernst Abbe and Albert Koenig . The prism is made from two glass prisms, which are optically cemented together to form a symmetric, shallow Vee ...
An Uppendahl prism [1] is an erecting prism, i.e. a special reflection prism that is used to invert an image (rotation by 180°). The erecting system consists of three partial prisms made of optical glass with a high refractive index cemented together to form a symmetric assembly and is [2] used in microscopy as well as in binoculars technology.
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.
Oregon DOC Website. The Oregon Department of Corrections is the agency of the U.S. state of Oregon charged with managing a system of 12 state prisons since its creation by the state legislature in 1987. In addition to having custody of offenders sentenced to prison for more than 12 months, the agency provides program evaluation, oversight and ...
The New York City Department of Correction ( NYCDOC) is the branch of the municipal government of New York City [1] responsible for the custody, control, and care of New York City 's imprisoned population, housing the majority of them on Rikers Island. [2] It employs 8,949 uniformed officers and 2,027 civilian staff, [3] has 543 vehicles, and ...
Department of CorrectionsIDOC. The Illinois Department of Corrections ( IDOC) is the code department [1] [2] of the Illinois state government that operates the adult state prison system. The IDOC is led by a director appointed by the Governor of Illinois, [3] and its headquarters are in Springfield. [4]