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in·fra·duc·tion (in″frə-dukґshən) [infra- + duction] 1. the downward rotation of an eye around its horizontal axis. 2. the downward rotation of one eye independent of the other by a base-up prism in testing for vertical divergence. See also infravergence and infraversion. Called also deorsumduction and subduction.

Medical dictionary. 2011.

Look at other dictionaries:

  • infraduction — [ɛ̃fʀadyksjɔ̃] n. f. ÉTYM. D. i.; de infra , et lat. ductus. → ducte. ❖ ♦ Physiol. Rotation du globe oculaire vers le bas, qui s effectue autour de son axe transversal …   Encyclopédie Universelle

  • deorsumduction — Rotation of one eye downward. SYN: infraduction. [L. deorsum, downward, + duco, to lead] * * * de·or·sum·duc·tion (de or″səm dukґshən) infraduction …   Medical dictionary

  • Duction — A duction is an eye movement involving only one eye[1]. There are generally six possible movements depending upon the eye s axis of rotation: Abduction refers to the outward movement of an eye. Adduction refers to the inward movement of an eye… …   Wikipedia

  • Graves' ophthalmopathy — Infobox Disease Name = Graves ophthalmopathy Caption = DiseasesDB = 5419 ICD10 = ICD10|H|06|2|h|00* ICD9 = ICD9|xxx ICDO = OMIM = MedlinePlus = eMedicineSubj = oph eMedicineTopic = 237 eMedicine mult = eMedicine2|ent|169 eMedicine2|neuro|476… …   Wikipedia

  • duction — 1. The act of leading, bringing, conducting. 2. In ophthalmology, ocular rotations with reference to one eye; usually additionally designating direction of movement of the eye; e.g., rotation toward the nose, adduction; toward the temple,… …   Medical dictionary

  • infraducción — Eng. Infraduction Ducción en la cual el eje ocular se desplaza hacia abajo …   Diccionario de oftalmología

  • duction — [dyksjɔ̃] n. f. ÉTYM. XXe; du lat. ductum, p. p. de ducere « conduire ». ❖ ♦ Physiol. Mouvement effectué par un seul œil. || Les mouvements de duction comprennent : l abduction, l adduction, la supraduction, l infraduction et la cycloduction …   Encyclopédie Universelle

  • subduction — sub·duc·tion (səb dukґshən) infraduction …   Medical dictionary

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