- microsaccades
- Minute to-and-fro movements of the eyes. [micro- + Fr. saccade, sudden check (of a horse)]
Medical dictionary. 2011.
microsaccades
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Microsaccade — For other uses, see Eye movement (disambiguation). Microsaccades are a kind of fixational eye movement. They are small, jerk like, involuntary eye movements, similar to miniature versions of voluntary saccades. They typically occur during… … Wikipedia
Human eye — Infobox Anatomy Name = Eye Caption = Schematic diagram of the human eye. The human eye is similar to most mammalian eyes.Dynamic rangeThe retina has a static contrast ratio of around 100:1 (about 6 1/2 stops). As soon as the eye moves (saccades)… … Wikipedia
Saccade — A saccade is a fast movement of an eye, head or other part of an animal s body or device. It can also be a fast shift in frequency of an emitted signal or other quick change. However, this article deals with saccadic eye motion. Eye saccades are… … Wikipedia
Dysmetria — (Greek: difficult to measure ) refers to a lack of coordination of movement typified by the undershoot and/or overshoot of intended position with the hand, arm, leg, or eye. It is sometimes described as an inability to judge distance or… … Wikipedia
Mikrosakkade — Der Begriff Mikrosakkade bezeichnet eine schnelle, ruckartige Blickzielbewegung des Auges mit einer sehr kleinen Amplitude zwischen 3 und 50 Winkelminuten. Die Maximalgeschwindigkeit der Bewegung ist dabei linear von der zurückgelegten Strecke… … Deutsch Wikipedia
Mikrosakkaden — Der Begriff Mikrosakkade bezeichnet eine schnelle, ruckartige Blickzielbewegung des Auges mit einer sehr kleinen Amplitude zwischen 3 und 50 Winkelminuten. Die Maximalgeschwindigkeit der Bewegung ist dabei linear von der zurückgelegten Strecke… … Deutsch Wikipedia
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
saccade — /sa kahd , seuh /, n. 1. the act of checking a horse quickly with a single strong pull of the reins. 2. Ophthalm. the series of small, jerky movements of the eyes when changing focus from one point to another. [1720 30; < F saccade jerk, jolt,… … Universalium
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
microsaccadic — adjective Of or pertaining to microsaccades … Wiktionary
