macular star pattern

macular star pattern
   The term macular star pattern is indebted to the Latin noun macula, which means spot. It is used to denote a physiological " entoptic phenomenon characterized by bright radial spokes. It would seem that some 20% of the individuals in the general population are able to produce the macular star pattern, usually by blinking.
   References
   Tyler, C.W. (1978). Some new entoptic phenomena. Vision Research, 18, 1633-1639.

Dictionary of Hallucinations. . 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • entoptic phenomenon —    Also known as entoptic imagery, entoptic image, and entoptic form. All four terms are indebted to the Greek words entos (inside) and opsis (seeing). Traditionally the expression entoptic phenomenon is used to denote any member of a group of… …   Dictionary of Hallucinations

  • Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …   Universalium

  • Health and Disease — ▪ 2009 Introduction Food and Drug Safety.       In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …   Universalium

  • Glaucoma — Classification and external resources Acute angle closure glaucoma of the right eye. Note the mid sized pupil, which was nonreactive to light, and injection of the conjunctiva. ICD 10 …   Wikipedia

  • Scientific visualization — A scientific visualization of an extremely large simulation of a Rayleigh–Taylor instability caused by two mixing fluids.[1] Scientific visualization (also spelled scientific visualisation) is an interdisciplinary branch of science according to… …   Wikipedia

  • eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

  • Arrhythmogenic right ventricular dysplasia — Classification and external resources Photomicrograph of an ARVC heart. ICD 10 I …   Wikipedia

  • Systemic lupus erythematosus — For other uses, see lupus (disambiguation). Systemic lupus erythematosus Classification and external resources The typical butterfly rash found in lupus ICD 10 L …   Wikipedia

  • Fovea — The fovea, also known as the fovea centralis, is a part of the eye, located in the center of the macula region of the retina. Webvision: Simple Anatomy of the Retina (definition of terms), University of Utah, Webvision: The Organization of the… …   Wikipedia

  • Fovea centralis — Schematic diagram of the human eye, with the fovea at the bottom. It shows a horizontal section through the right eye Latin fovea centra …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”