reaction of eye to light

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• 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

• Reaction time — (RT) is the elapsed time between the presentation of a sensory stimulus and the subsequent behavioral response. RT is often used in experimental psychology to measure the duration of mental operations, known as mental chronometry. The behavioral… …   Wikipedia

• Eye music — (often referred to in English by its exact German translation Augenmusik ) describes graphical features of scores that when performed are unnoticeable by the listener.Difficulties in defining eye musicA clear definition of eye music is elusive,… …   Wikipedia

• light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …   Universalium

• eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

• Eye examination — An eye examination is a battery of tests performed by an optometrist or ophthalmologist assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes.All people should have periodic… …   Wikipedia

• reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …   Medical dictionary

• eye — Synonyms and related words: Anschauung, Sherlock, Sherlock Holmes, accountability, air hole, amaurosis, angle, angle of vision, annulet, armhole, assumption, attend, attitude, auspices, baby blues, banjo eyes, basis, be vigilant, be watchful,… …   Moby Thesaurus

• Light brown apple moth controversy — The Light brown apple moth ( Epiphyas postvittana , often abbreviated to LBAM) is a leafroller moth belonging to the lepidopteran family Tortricidae. The insect is regarded as an herbivorous generalist, and the larvae consume numerous… …   Wikipedia

• photochemical reaction — Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example… …   Universalium

• Evolution of the eye — The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of taxa. The development of the eye is considered by some experts to be monophyletic; that is, all modern… …   Wikipedia