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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 ] Since its discovery, prism adaptation has ...
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]
The Dore method alleges that, as skills become more automatic, the working memory required to perform a task decreases. The Dore Programme aims to stimulate the development of the cerebellum and hence to strengthen the communications between the cerebrum and cerebellum. [9][10] The Dore programme stipulates that clients must be 7 years of age ...
Adolph Kussmaul. The concept of "word-blindness" (German: "wortblindheit"), as an isolated condition, was first developed by the German physician Adolph Kussmaul in 1877. [ 1 ][ 2 ] Identified by Oswald Berkhan in 1881, [ 3 ] the term 'dyslexia' was later coined in 1887 by Rudolf Berlin, [ 4 ] an ophthalmologist practicing in Stuttgart, Germany ...
Vision rehabilitation (often called vision rehab) is a term for a medical rehabilitation to improve vision or low vision. In other words, it is the process of restoring functional ability and improving quality of life and independence in an individual who has lost visual function through illness or injury. [1][2] Most visual rehabilitation ...
Olympian Stephen Nedoroscik, aka “The Pommel Horse guy,” is living with two eye conditions, strabismus and coloboma. Strabismus, or crossed eyes, occurs when the eyes point in different ...
3–7% [2][5] Dyslexia, previously known as word blindness, is a learning disability ('learning difficulty' in the UK [6]) that affects either reading or writing. [1][7] Different people are affected to different degrees. [3] Problems may include difficulties in spelling words, reading quickly, writing words, "sounding out" words in the head ...
Irlen syndrome (or scotopic sensitivity syndrome) is a hypothetical medical condition of disordered visual processing which, it is proposed, can be treated by wearing colored lenses. The ideas of Irlen syndrome are pseudoscientific and not supported by scientific evidence, [1][2][3] and its treatment has been described as a health fraud taking ...