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Amblyopia. Anisometropia is a condition in which a person's eyes have substantially differing refractive power. [1] Generally, a difference in power of one diopter (1D) is the threshold for diagnosis of the condition . [2] [3] Patients may have up to 3D of anisometropia before the condition becomes clinically significant due to headache, 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.
The old Bureau of Corrections Logo. The logo of the bureau represents the government agency's mandate, the rehabilitation of inmate. The logo focuses on the man in prison as the main concern of rehabilitation. It presents man behind bars, but who looks outwards with the hope of rejoining the free community.
The Department of Corrections ( Māori: Ara Poutama Aotearoa) is the public service department of New Zealand charged with managing the New Zealand corrections system. This includes the operations of the 18 prisons in New Zealand and services run by Probation. Corrections' role and functions were defined and clarified with the passing of the ...
The Smith chart (sometimes also called Smith diagram, Mizuhashi chart (水橋チャート), Mizuhashi–Smith chart (水橋スミスチャート), Volpert–Smith chart (Диаграмма Вольперта—Смита) or Mizuhashi–Volpert–Smith chart), is a graphical calculator or nomogram designed for electrical and electronics engineers specializing in radio frequency (RF ...
The Billboard charts tabulate the relative weekly popularity of songs and albums in the United States and elsewhere. The results are published in Billboard magazine. Billboard biz, the online extension of the Billboard charts, provides additional weekly charts, [1] as well as year-end charts. [2] The two most important charts are the Billboard ...
It is used when observing a physical process, to record actions as they happen, and thus get an accurate description of the process. It is used when analyzing the steps in a process, to help identify and eliminate waste —thus, it is a tool for efficiency planning. It is used when the process is mostly sequential, containing few decisions.
Double Porro prism or Porro 1 optical system. Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image ...