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KMID : 0359719960140030754
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Journal of the Korean Neurological Association
1996 Volume.14 No. 3 p.754 ~ p.760
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Abnormalities of Ocular Motor Movement in Patients wih Parkinson's Disease
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최기종
김재우/김상호/김성률/김갑진/박지욱/박경원
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Abstract
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OBJECTIVE:
@EN We investigated the relationship between the severity of the disease and the abnormality of some ocular movements in parkinson's disease.
@ES BACKGROUND:
@EN Disorders of eye movements have been described in disease of the basal ganglia for over a century and ocular motor deficits of the saccadic and pursuit system have been reported in parkinsonian patients.
@ES METHOD:
@EN We studied the electro-oculography of the eye tracking and saccadic movement in 26 patients (11 males, 15 females) with Parkinson's disease. The severity of the disease was divided into two groups by Hoehn & Yahr(H-Y) staging; H-Y stage 1,
2(group
A) and H-Y stage 3, 4 (Group B). Some patients antiparkinsonian drugs of L-dopa, dopamine agonist and anticholinergics.
@ES RESULT:
@EN The velocity of smooth pursuit and the velocity and latency of saccade were calculated and compared between two groups. Eye tracking test revealed decreased pursuit velocity leading to catch-up saccades, but normal phase relationship between
eye and
target movement, while saccadic eye movement had increased latency. These results showed more profound severity in more advanced stages of the disease.
@ES CONCLUSION:
@EN We suggest that ocular movement be often chosen as a simple but relevant example of general motor function, as well as criteria for staging of Parkinson's disease and basal ganglia play significant role in ocular movement.
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KEYWORD
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