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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 and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called ...
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.
The Šidák correction is derived by assuming that the individual tests are independent. Let the significance threshold for each test be α 1 {\displaystyle \alpha _{1}} ; then the probability that at least one of the tests is significant under this threshold is (1 - the probability that none of them are significant).
1942. ( 1942) Running time. 10:30 min. Country. United States. Language. English. The Tree in a Test Tube is a 1942 short film produced by the U. S. Department of Agriculture and distributed by the U.S. Forest Service, featuring Laurel and Hardy, with narration read by MGM narrator and producer Pete Smith .
Kurion, a good alien in its infancy, having just hatched from its chrysalis. The package contains a test tube, a clear plastic cylinder of around 18 centimetres in height and 6 centimetres in diameter. The alien is contained within a white cocoon, or ' chrysalis ', inside the cylinder. By adding water the cocoon erodes, revealing an infant alien.
Christophe Sauniere. David 'Dave' O'Brien. Website. Official website. Peter and the Test Tube Babies are an English punk rock band, formed in Peacehaven, Sussex in 1978, by Derek "Strangefish" Greening and Peter Bywaters. Due to their humorous tongue-in-cheek lyrics, they have been considered part of the Punk pathetique subgenre.
4 dioptre prism, either loose or prism bar; Bright lighting conditions; Method of assessment. As it is an objective test, few instructions are required to be given to the patient. The patient is asked to fixate on a target while the examiner places a 4 prism dioptre base-out prism over the patient's eye, observing the response of the fellow eye.