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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, orthoptists, and optometrists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [ 1 ]
The Krimsky test is essentially the Hirschberg test, but with prisms employed to quantitate deviation of ocular misalignment by determining how much prism is required to centre the reflex. [2] The Krimsky test is advisably used for patients with tropias, but not with phorias.
Sheldon Krimsky (June 26, 1941 – April 23, 2022) was a professor of Urban and Environmental Policy and Planning at Tufts University, [1] and adjunct professor in the Department of Family Medicine and Community Health at Tufts University School of Medicine. [2]
Julius Hirschberg (1843-1925) Julius Hirschberg (18 September 1843 – 17 February 1925) was a German ophthalmologist and medical historian.He was of Jewish ancestry. [1] [2]In 1875, Hirschberg coined the term "campimetry" for the measurement of the visual field on a flat surface (tangent screen test) [3] and in 1879 he became the first to use an electromagnet to remove metallic foreign bodies ...
Howard-Dolman test. Stereoacuity [1] is most simply explained by considering one of its earliest test, a two-peg device, named Howard-Dolman test after its inventors: [2] The observer is shown a black peg at a distance of 6m (=20 feet). A second peg, below it, can be moved back and forth until it is just detectably nearer than the fixed one.
Krymsky was an expert in up to 34 languages; [5] some sources report that he had at least an average knowledge of 56 languages. [6] Krymsky contributed few hundred entries to the Brockhaus, Efron, and Granat Russian encyclopedias and wrote many other works on Arabic, Turkish, Turkic, Crimean Tatar, and Iranian history and literature, some of which were pioneering textbooks in Russian Oriental ...
The Holtzman Inkblot Technique (HIT), also known as the Holtzman Inkblot Test, is an ink blot test aimed at detecting personality and was conceived by Wayne H. Holtzman and colleagues. It was first introduced in 1961 as a projective personality test similar to the Rorschach test .
White test is a statistical test that establishes whether the variance of the errors in a regression model is constant: that is for homoskedasticity. This test, and an estimator for heteroscedasticity-consistent standard errors , were proposed by Halbert White in 1980. [ 1 ]