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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]
Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.
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Antisemitism (also spelled anti-semitism or anti-Semitism) [a] is hostility to, prejudice towards, or discrimination against Jews. [2] [3] [4] This sentiment is a form of racism, [5] [6] and a person who harbours it is called an antisemite. Primarily, antisemitic tendencies may be motivated by negative sentiment towards Jews as a people or by ...
Donald Trump’s New York criminal trial is full of terms you don’t typically hear in a courtroom. Centering on allegations Trump falsified his company’s records to conceal the nature of hush ...
The Four Prism Dioptre Reflex Test (also known as the 4 PRT, or 4 Prism Dioptre Base-out Test) is an objective, non-dissociative test used to prove the alignment of both eyes (i.e. the presence of binocular single vision) by assessing motor fusion. [1] Through the use of a 4 dioptre base out prism, diplopia is induced which is the driving force ...
Hernandez lives in West New York, New Jersey, while the other three defendants live in New York City, officials said. They are accused of smuggling about $8 million in total in "bulk cash" to the ...
Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...