optokinetic nystagmus

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оптокинетический нистагм (ОКН)

Англо-русский офтальмологический словарь. 2010.

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  • Nystagmus — Horizontal optokinetic nystagmus, a normal (physiological) form of nystagmus ICD 10 H55, H81.4 …   Wikipedia

  • Nystagmus — Rapid rhythmic repetitious involuntary (unwilled) eye movements. Nystagmus can be horizontal, vertical or rotary. * * * Involuntary rhythmic oscillation of the eyeballs, either pendular or with a slow and fast component. [G. nystagmos, a nodding …   Medical dictionary

  • Optokinetic reflex — Horizontal optokinetic nystagmus. The optokinetic reflex allows the eye to follow objects in motion when the head remains stationary (e.g. observing individual telephone poles on the side of the road as one travels by them in a car). The reflex… …   Wikipedia

  • optokinetic — See o. nystagmus. [opto + G. kinesis, movement] * * * op·to·ki·net·ic .äp tō kə net ik, kī adj of, relating to, or involving movements of the eyes <optokinetic nystagmus> * * * op·to·ki·net·ic (op″to kĭ netґik) [opto + kinetic]… …   Medical dictionary

  • nystagmus — n. rapid involuntary movements of the eyes that may be from side to side, up and down, or rotatory. Nystagmus may be congenital and associated with poor sight; it also occurs in disorders of the part of the brain responsible for eye movements and …   The new mediacal dictionary

  • Optokinetic drum — An optokinetic drum is a rotating instrument to test vision in which individuals are seated facing the wall of the drum. The interior surface of the drum is normally striped; thus, as the drum rotates, the subject s eyes are subject to a moving… …   Wikipedia

  • opticokinetic nystagmus — optokinetic nystagmus the normal nystagmus occurring when looking at objects passing across the field of vision, as in viewing from a moving railroad car or automobile. It can be induced for testing purposes to check ocular and vestibular… …   Medical dictionary

  • Pathologic nystagmus — ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D009759 Pathologic nystagmus is a form of involuntary eye movement. It is characterized by alternating smooth pursuit in one direction and saccadic movement in the other… …   Wikipedia

  • Physiologic nystagmus — a form of involuntary eye movement that is part of the vestibulo ocular reflex (VOR). It is characterized by alternating smooth pursuit in one direction and saccadic movement in the other direction.Nystagmus can be caused by subsequent foveation… …   Wikipedia

  • railroad nystagmus — optokinetic n …   Medical dictionary

  • OKN — optokinetic nystagmus …   Medical dictionary


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