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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 ...
Gertrude Ederle, who was called America's best girl by President Calvin Coolidge in 1926 after she became the first woman to swim across the English Channel, died yesterday at a nursing home in Wyckoff, N.J. She was 98. ^ She did it in 14 hours 39 minutes, breaking the men's record of the time by two hours.
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 ...
Richard M. Sherman, two-time Oscar winner who collaborated with brother Robert B. Sherman on the songs for “Mary Poppins,” “Chitty Chitty Bang Bang” and the enduring Disneyland tune “It ...
June 5, 2024 at 11:34 AM. Boeing’s Starliner launched its first crewed mission to space on Wednesday morning, with NASA astronauts Butch Wilmore and Suni Williams on board. The Starliner capsule ...
Animated filmmaker John Musker — who directed such Disney films as “The Little Mermaid,” “Aladdin” and “Hercules” — called out the Walt Disney Company for prioritizing political ...
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]
Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [1] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.