light adaptation
noun Date: 1900 the process including contraction of the pupil and decrease in rhodopsin by which the eye adapts to conditions of increased illumination • light-adapted adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • light adaptation — n the adjustments including narrowing of the pupillary opening and decrease in rhodopsin by which the retina of the eye is made efficient as a visual receptor under conditions of strong illumination compare DARK ADAPTATION light adapt·ed līt ə… …   Medical dictionary

  • light adaptation — n. the automatic adaptive response of the eye as it accommodates itself to brighter light …   English World dictionary

  • light adaptation — noun the process of adjusting the eyes to relatively high levels of illumination; the pupil constricts and the cones system is operative • Hypernyms: ↑adaptation * * * noun : the adjustments including narrowing of the pupillary opening, decrease… …   Useful english dictionary

  • light adaptation — prisitaikymas prie šviesos statusas T sritis fizika atitikmenys: angl. bright adaptation; light adaptation vok. Helladaptation, f rus. светоадаптация, f; световая адаптация, f pranc. adaptation à la lumière, f …   Fizikos terminų žodynas

  • light adaptation — light adapted, adj. Ophthalm. the reflex adaptation of the eye to bright light, consisting of an increase in the number of functioning cones, accompanied by a decrease in the number of functioning rods (opposed to dark adaptation). [1895 1900] *… …   Universalium

  • light adaptation — light′ adapta tion n. oph the reflex adjustment of the eye to bright light, consisting of a constriction of the pupil, an increase in the number of functioning cones, and a decrease in the number of functioning rods • Etymology: 1895–1900 light′… …   From formal English to slang

  • light adaptation — /ˈlaɪt ædæpteɪʃən/ (say luyt adaptayshuhn) noun 1. the reflex response of the eye to bright light comprising a contraction of the iris, and an increase in the number of functioning cones with a corresponding decrease in the number of functioning… …   Australian English dictionary

  • light adaptation — reflex changes in the eye to enable vision either in normal light after being in darkness or in very bright light after being in normal light. The pupil contracts (see pupillary reflex) and the pigment in the rods is bleached. Compare: dark… …   The new mediacal dictionary

  • Light adaptation — Световая адаптация …   Краткий толковый словарь по полиграфии

  • Адаптация Световая (Light Adaptation) — рефлекс, благодаря которому глаз может либо приспособиться к нормальному освещению после длительного пребывания человека в темноте, либо к очень слабому свету после его пребывания в помещении с нормальным освещением. Благодаря этому рефлексу… …   Медицинские термины

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