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Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
A daily production report (DPR) or production report (PR) in filmmaking is the form filled out each day of production for a movie or television show to summarize what occurred that day. There is no standard template for a production report and each show usually has an original template, often created before production begins by one of the ...
A production report ("PR") is a filmmaking term for the form filled out each day of production of a movie or television show to summarize what occurred that day. [1] There is no standard template for a production report, and each show usually has an original template, often created before production begins by one of the assistant directors ("AD").
Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.
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.
Daily progress report. A daily progress report is a filmmaking report that is produced at the end of each shooting day by the First Assistant Director (1AD) and passed to the Production Manager for approval. The daily progress report contains a record of what scenes were shot that day, the locations used, the number of meals served, the ...
Prism adaptation is a sensory-motor adaptation that occurs after the visual field has been artificially shifted laterally or vertically. It was first introduced by Hermann von Helmholtz in late 19th-century Germany as supportive evidence for his perceptual learning theory (Helmholtz, 1909/1962). [1] Since its discovery, prism adaptation has ...