Visual symptoms in Parkinson's disease.

Visual symptoms in Parkinson's disease.
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DOI:
10.4061/2011/908306
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发表时间:
2011
期刊:
Parkinson's disease
影响因子:
--
通讯作者:
Armstrong RA
Armstrong RA
中科院分区:
其他
文献类型:
--
作者:
Armstrong RA

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帕金森病(PD)是中老年人的常见疾病,锥体外系运动系统退化导致严重的运动问题。然而,在一些患者中,感觉系统存在其他障碍,包括嗅觉丧失以及听觉和/或视觉问题。本文对 PD 中可能遇到的视觉问题进行了总体概述。 PD 视力的变化可能是由于视敏度、对比敏感度、颜色辨别力、瞳孔反应性、眼球运动、运动知觉、视野敏感性和视觉处理速度的改变引起的。较慢的视觉处理速度也会导致视觉感知下降,尤其是对于快速变化的视觉刺激。此外,还可能存在视觉空间定向障碍、面部识别问题和慢性幻视。一些治疗帕金森病的治疗方法也可能会产生不良的眼部反应。模式视网膜电图 (PERG) 可用于评估视网膜多巴胺机制和监测 PD 的多巴胺治疗。如果存在视力问题,可能会对患者的生活质量产生重要影响,可以通过准确诊断并在可能的情况下纠正此类缺陷来改善患者的生活质量。
Parkinson's disease (PD) is a common disorder of middle-aged and elderly people in which degeneration of the extrapyramidal motor system causes significant movement problems. In some patients, however, there are additional disturbances in sensory systems including loss of the sense of smell and auditory and/or visual problems. This paper is a general overview of the visual problems likely to be encountered in PD. Changes in vision in PD may result from alterations in visual acuity, contrast sensitivity, colour discrimination, pupil reactivity, eye movements, motion perception, visual field sensitivity, and visual processing speeds. Slower visual processing speeds can also lead to a decline in visual perception especially for rapidly changing visual stimuli. In addition, there may be disturbances of visuospatial orientation, facial recognition problems, and chronic visual hallucinations. Some of the treatments used in PD may also have adverse ocular reactions. The pattern electroretinogram (PERG) is useful in evaluating retinal dopamine mechanisms and in monitoring dopamine therapies in PD. If visual problems are present, they can have an important effect on the quality of life of the patient, which can be improved by accurate diagnosis and where possible, correction of such defects.
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