- negative accommodation
- adjustment of the eye for focusing at long distances by relaxation of the ciliary muscle.
Medical dictionary. 2011.
negative accommodation
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Accommodation (eye) — Accommodation is the process by which the increases optical power to maintain a clear image (focus) on an object as it draws near the eye. The young human eye can change focus from distance to 7 cm from the eye in 350 milliseconds. This dramatic… … Wikipedia
accommodation — [ akɔmɔdasjɔ̃ ] n. f. • XIVe « prêt gratuit » (cf. accommodement); de accommoder 1 ♦ (1566) Action d accommoder ou de s accommoder (aux circonstances, aux individus). ⇒ adaptation. 2 ♦ Physiol. Aptitude de l œil à accommoder (III). L amplitude d… … Encyclopédie Universelle
Negative relative accommodation — (NRA) was proposed by Prof. Joseph Kearney of Oxford University in 1967, is a measure of the maximum ability to relax accommodation while maintaining clear, single binocular vision.[1] This measurement is typically obtained by an orthoptist,… … Wikipedia
Accommodation — (v. lat.), 1) Bequemung des Betragens, der Rede etc. nach den Bedürfnissen u. der Denkungsart Anderer; bes. 2) (gr. Synkatabasis, lat. Condescensio, Theol.), von dem Lehrvortrage menschlicher Lehrer, die weise, schonende Berücksichtigung der… … Pierer's Universal-Lexikon
Accommodation — In medicine, the ability of the eye to change its focus from distant to near objects (and vice versa). This process is achieved by the lens changing its shape. Accommodation is the adjustment of the optics of the eye to keep an object in focus on … Medical dictionary
Communication accommodation theory — The Communication Accommodation Theory (CAT) explores the various reasons why individuals use speech and paralinguistics in order to try to emphasize or minimize the social differences between themselves and their interlocutors. It evolved from… … Wikipedia
Contingency theory of accommodation — The contingency theory of accommodation was proposed in 1997 by Amanda Cancel, Glen Cameron, Lynne Sallot and Michel Mitrook to highlight the pertinent factors of how a public relations practitioner facilitates communication between the… … Wikipedia
Amplitude of accommodation — (AA) is a measurement of the eye’s ability to focus clearly on objects at near distances (i.e. accommodation). This eye focusing range for a child is usually about 5 ndash;7.5 cm (2 ndash;3 inches). For a young adult, it is 10 ndash;15 cm (4… … Wikipedia
Positive relative accommodation — (PRA) is a measure of the maximum ability to stimulate accommodation while maintaining clear, single binocular vision [http://www.vision therapy.com/Glossary of Terms.htm] . This measurement is typically obtained by an ophthalmologist or… … Wikipedia
