phenomenon
91Blue field entoptic phenomenon — The blue field entoptic phenomenon or Scheerer s phenomenon is the appearance of tiny bright dots moving quickly along squiggly lines in the visual field, especially when looking into blue light (such as the sky). [Scheerer R., Die entoptische… …
92Koebner phenomenon — The Koebner phenomenon, also called the Koebner response or the isomorphic response , refers to skin lesions appearing on lines of trauma. [Various grammatical forms of Koebner phenomenon include: Koebnerization , and to Koebnerize .] The Koebner …
93Tullio phenomenon — Tullio phenomenon, sound induced vertigo, dizziness, nausea and/or eye movements (nystagmus) was first described in 1929 by the Italian biologist Prof. Pietro Tullio. (1881 1941) [Tullio, Pietro: Das Ohr und die Entstehung der Sprache und Schrift …
94Blue Arc Phenomenon — Das Blue Arc Phenomenon ist ein entoptischer retinaler Effekt, der auftritt, wenn man in Dunkelheit einen einzelnen Lichtreiz betrachtet – zum Beispiel eine rote Leuchtdiode in ansonsten dunkler Umgebung. Bewegt man die Augen leicht neben dem… …
95Dawn phenomenon — is defined as an increase in the blood sugar in the morning and is typically invoked in the context of diabetes. It is different from Chronic Somogyi rebound in that dawn effect is not associated with nocturnal hypoglycemia. It is possible that… …
96physical phenomenon — noun a natural phenomenon involving the physical properties of matter and energy (Freq. 2) • Hypernyms: ↑natural phenomenon • Hyponyms: ↑acoustic phenomenon, ↑atmospheric phenomenon, ↑boundary layer, ↑chaos, ↑ …
97Phi phenomenon — The phi phenomenon is a perceptual illusion described by Max Wertheimer in his 1912 Experimental Studies on the Seeing of Motion , in which a disembodied perception of motion is produced by a succession of still images. In discussions of the… …
98Glory (optical phenomenon) — A glory is an optical phenomenon appearing much like an iconic Saint s halo about the head of the observer which is produced by light backscattered (a combination of diffraction, reflection and refraction) towards its source by a cloud of… …
99Entoptic phenomenon — This is a medical definition of entoptic phenomena. For an alternative use within archaeology please see Entoptic phenomena (archaeology) Entoptic phenomena are visual effects whose source is within the eye itself. (Occasionally, these are called …
100blue-field entoptic phenomenon — Also known as Scheerer s phenomenon, after the German ophthalmologist Richard Scheerer. Both terms refer to an * entoptic phenomenon characterized by tiny bright dots moving quickly and semi randomly across the visual field, especially when… …
