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оптокинетический нистагм
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железнодорожный (зрительный) нистагм
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нистагмический
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вращательный нистагм
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The optokinetic response (OKR) is a combination of a slow-phase and fast-phase eye movements. It is seen when an individual tracks (pursuit movement) a moving object with their eyes, which then moves out of the field of vision, a point at which their eyes move back to the initial position (saccade movement) when they first saw the object. The reflex develops at about 6 months of age.
Optokinetic nystagmus/response (OKN/R) is nystagmus that occurs in response to a visual stimulus on the retina. It is present in normally developed patients. The optokinetic response 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, or observing stationary objects while walking past them).