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Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called ...
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]
Prism adaptation. 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]
The federal government agreed to a $15 million fine for Norfolk Southern over last year's disastrous derailment in East Palestine, Ohio, and the railroad promised to pay more than $500 million to ...
Ohio used to be considered a vital swing state, but it has trended to the right in recent elections. In 2020, then-President Donald Trump won the state with about 53.3% of the vote, compared to ...
May 22, 2024 at 10:49 AM. A federal judge has signed off on the $600 million class action settlement over last year's disastrous Norfolk Southern derailment in eastern Ohio, but many people who ...
The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...
Fifty-six scanning systems that can detect fentanyl in personal vehicles at southern U.S. border crossings will now be installed because of $200 million in new funding that was approved by ...
Ophthalmology. In ophthalmology, horror fusionis is a condition in which the eyes have an unsteady deviation, with the extraocular muscles performing spasm-like movements that continuously shift the eyes away from the position in which they would be directed to the same point in space, giving rise to diplopia. Even when the double vision images ...
April 9, 2024 at 2:05 PM. Norfolk Southern has agreed to pay $600 million in a class-action lawsuit settlement for a fiery February 2023 train derailment in Ohio, but residents worry the money not ...