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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 ...
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]
Rainbow Swash. Coordinates: 42°18′5.23″N 71°2′42.6″W. The Rainbow Swash is the common name for an untitled [1] work by Corita Kent in the Dorchester neighborhood of Boston, Massachusetts. The rainbow design painted on a 140-foot (43 m) tall LNG storage tank was copyrighted in 1972, [2] and was claimed to be the largest copyrighted ...
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 .
In the second quarter of this year, “the office sector set a record vacancy rate at 20.1%, breaking the 20% barrier for the first time in history,” a Moody’s analysis published today read ...
It’s the first time since November that prices didn’t increase on a monthly basis. Cheaper prices at the pump certainly helped (energy prices were down 2.1% for the month) and falling goods ...
As global temperatures keep rising, the rush to fully electrify one of the poorest regions in the United States is more urgent than ever.
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]