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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]
The Maddox rod test can be used to subjectively detect and measure a latent, manifest, horizontal or vertical strabismus for near and distance. The test is based on the principle of diplopic projection. [1] Dissociation of the deviation is brought about by presenting a red line image to one eye and a white light to the other, while prisms are ...
Fixation disparity. Fixation disparity is a tendency of the eyes to drift in the direction of the heterophoria. While the heterophoria refers to a fusion-free vergence state, the fixation disparity refers to a small misalignment of the visual axes when both eyes are open in an observer with normal fusion and binocular vision. [1]
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 largely accounted to ...
Blake Lively and Ryan Reynolds continue to be Taylor Swift's biggest fans (other than you, obvs). These two were spotted at the singer's recent Madrid show, where they could. not. stop. with the PDA.
Rihanna announced the exciting venture on Tuesday, June 4, via the official Fenty Hair Instagram. “A new family is moving in!” she captioned a promotional video. “@FentyHair is pulling up ...
The Gossamer Project is a group of specialty archives that, combined, contain the vast majority of X-Files fan fiction on the Internet. In the mid to late 1990s, the Gossamer Archives/Project was one of the "big three" single media fandom-focused archives on the Internet, and remained the largest single fandom fan fiction archive until the emergence of various Harry Potter archives in the ...
The pope has again used a highly disparaging word against gay people for which he had already apologised last month, ANSA news agency said on Tuesday. Italian media had attributed to the pope the ...