- Haidinger brush
- two conical brushlike images with apexes touching, seen on looking through a Nicol prism; used in determining visual function.
Medical dictionary. 2011.
Haidinger brush
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Haidinger's brush — is an entoptic phenomenon first described by Austrianphysicist Wilhelm Karl von Haidinger in 1844.Many people are able to perceive polarization of light.It may be seen as a yellowish horizontal bar or bow tie shape (with fuzzy ends, hence the… … Wikipedia
Haidinger fringe — Haidinger fringes are interference fringes formed by the interference of monochromatic and coherent light to form visible dark and bright fringes. Fringe localization is the region of space where fringes with reasonably good contrast are observed … Wikipedia
Haidinger-Büschel — Darstellung des Haidinger Büschels (Skizze nach Marcel Minnaert) Im Jahre 1844 hat Wilhelm Ritter von Haidinger in den Annalen der Physik[1] auf eine bis dahin unbeachtete Fähigkeit des menschlichen Auges hingewiesen: mit Hilfe der Wahrnehmung… … Deutsch Wikipedia
Haidinger's brush — Also known as Haidinger brushes, Haidinger s brushes, and Haidinger s polarization brushes. All four eponyms refer to the Austrian physicist, geologist, and mineralogist Wilhelm Karl Ritter von Haidinger (1795 1871), who has been credited with … Dictionary of Hallucinations
Haidinger's brush — /ˌhaɪdɪŋəz ˈbrʌʃ/ (say .huydinguhz brush) noun an elongated faintly yellowish region seen in the blue sky due to the polarisation of light from the sky. {named after WK Haidinger, 1795–1871, Austrian mineralogist and physicist} …
Haidinger's brushes — Hai·ding·er s brush·es hī diŋ ərz brəsh əz n pl a faint blue and yellow dumbbell shaped image that is produced in the human eye by the selective absorption of polarized light by the yellow macular pigment of the fovea and can be used to detect… … Medical dictionary
Haidinger brushes — see Haidinger s brush … Dictionary of Hallucinations
Haidinger's brushes — see Haidinger s brush … Dictionary of Hallucinations
Haidinger's polarization brushes — see Haidinger s brush … Dictionary of Hallucinations
Haidinger brushes — Hai·ding·er brushes (hiґding ər) [Wilhelm von Haidinger, Austrian mineralogist, 1795–1871] see under brush … Medical dictionary
