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Cyclotropia is a form of strabismus in which, compared to the correct positioning of the eyes, there is a torsion of one eye (or both) about the eye's visual axis. . Consequently, the visual fields of the two eyes appear tilted relative t
The Nintendo DS product line are the best-selling handheld consoles, selling 154.02 million units worldwide. The majority of sales came from the DS Lite at 93.86 million units. [5] A handheld game console is a lightweight device with a built-in screen, controls, speakers, [6] and has greater portability than a standard video game console. [2]
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]
This is a list of video games that have sold the highest number of software units worldwide. The best-selling video game to date is Minecraft, a sandbox game released by Mojang in November 2011 for a wide range of PC, mobile and console platforms, selling more than 300 million copies across all platforms.
A simplest case is where thin lenses are placed in contact (=). Then the combined focal length f of the lenses is given by = +. Since 1/f is the power of a lens with focal length f, it can be seen that the powers of thin lenses in contact are additive. The general case of multiple thin lenses in contact is
One style is hard contact lenses, which can distort the shape of the cornea to a desired shape. Another style, soft contact lenses, are made of silicone or hydrogel. Depending on the duration they are designed for, they may be worn daily or may be worn for an extended period of time, such as for weeks. [32] There are a number of complication ...
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