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With respect to FWER control, the Bonferroni correction can be conservative if there are a large number of tests and/or the test statistics are positively correlated. [ 9 ] Multiple-testing corrections, including the Bonferroni procedure, increase the probability of Type II errors when null hypotheses are false, i.e., they reduce statistical ...
In 1885, a patent was granted for a hand compass fitted with a viewing prism and lens that enabled the user to accurately sight the heading of geographical landmarks, thus creating the prismatic compass. [80] Another sighting method was employing a reflective mirror.
The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...
"The correction and management of ametropia in older patients" David B Elliott PhD, MCOptom, FAAO Investigative Ophthalmology and Visual Science. 2004;45:2122–2128.) Stepping Up to a New Level: Effects of Blurring Vision in the Elderly Heasley K, Buckley J G, Elliott D B "Monovision: a review" Evans BJ Ophthalmic Physiol Opt. 2007 Sep;27(5 ...
Medicine portal; This article is within the scope of WikiProject Medicine, which recommends that medicine-related articles follow the Manual of Style for medicine-related articles and that biomedical information in any article use high-quality medical sources.
Horror fusionis is a rare condition and normally appears only in patients who have been treated by means of surgery or other interventions. [2] Attempts to achieve stereoscopic vision, in particular anti-suppression therapy and other orthoptic exercises, may lead to double vision as undesired side effect, in particular also to horror fusionis.
Hotmail service was founded by Sabeer Bhatia and Jack Smith, and was one of the first webmail services on the Internet along with Four11's RocketMail (later Yahoo! Mail). [9] [10] It was commercially launched on July 4, 1996, symbolizing "freedom" from ISP-based email [11] and the ability to access a user's inbox from anywhere in the world.
Its value at any given location within the fluid is the product of the fluid density (ρ), the depth (d), and the forces applied by gravity (g) plus any background pressures, such as atmospheric pressure. Hydrostatic pressure on surfaces surrounding (or within) fluid volumes can be represented by the pressure prism, a useful visualization ...
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