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measuring strabismus. 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]
Prism fusion range. The prism fusion range ( PFR) or fusional vergence amplitude is a clinical eye test performed by orthoptists, optometrists, and ophthalmologists to assess motor fusion, specifically the extent to which a patient can maintain binocular single vision ( BSV) in the presence of increasing vergence demands. Motor fusion is ...
Exophoria. Exophoria is a form of heterophoria in which there is a tendency of the eyes to deviate outward. [ 1] During examination, when the eyes are dissociated, the visual axes will appear to diverge away from one another. [ 2] The axis deviation in exophoria is usually mild compared with that of exotropia .
The coyote was playing with their Golden Retriever's toys. The news outlet reports that at one point the coyote even threw the toy in the bushes and then went after it. Roger said that as the ...
Gas-filled tubes exploit phenomena related to electric discharge in gases, and operate by ionizing the gas with an applied voltage sufficient to cause electrical conduction by the underlying phenomena of the Townsend discharge. A gas-discharge lamp is an electric light using a gas-filled tube; these include fluorescent lamps, metal-halide lamps ...
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During the playoffs, especially in the past 20 years, bullpens are critical in determining a team’s success or failure. The leash on starters gets shorter in October, leaving a team’s relief ...
August 11, 2024 at 7:30 AM. Last week, the S&P 500 ( ^GSPC) saw both its worst and best single-day performances of the year. A sign to some on Wall Street that all is not well in markets right now ...