偏盲（hemianopia），指一侧或双侧眼睛正常视野中一半的缺失（通常是左侧或右侧）。如果双眼的视野缺失为同侧，但每侧眼睛视野的缺损小于一半（不完全同侧偏盲），损伤也许位于枕叶，否则有可能是顶叶及颞叶的损伤。偏盲是由可影响视交叉、视束或视辐射的损害所引起。某些眼科疾病也可引起偏盲型视野缺损，如晚期青光眼的鼻侧视野缺损，视网膜血管阻塞时的偏盲型视野缺损，视网膜部分脱离时相对方向的视野缺损等。治疗应查找引起偏盲的原发疾病，针对病因治疗。
n. hemianopsia
misc. half vision
同侧偏盲 [眼科] homonymous hemianopsia ; congruous hemianopia ; equilateral hemianopia
异侧偏盲 heteronymous hemianopsia ; corssed hemianopia ; heteronymous hemianopia Chinese
颞侧偏盲 bitemporal hemianopia ; temporal hemianopsia
上下性偏盲 altitudinal hemianopia ; horizontal hemianopia
双眼偏盲 binocular hemianopia
上偏盲 upper hemianopsia
双颞侧偏盲 bitemporal hemianopsia
双鼻侧偏盲 binasal hemianopsia
双侧偏盲 bilateral hemianopia
鼻侧偏盲 nasal hemianopsia
术后视野缺损、偏盲等症状均有改善。
All symptoms such as defect of vision field, hemiopia etc were improved.
大多数双颞侧偏盲患者P—VEP呈交叉不对称性分布。
The cross asymmetrical distribution of P-VEPs appears in most of the patients with bitemperal hemianopia.
病人瘫痪重，意识障碍程度深，偏盲发生率高而腔隙性脑梗死发生率低；
ResultsCompared with patients in NAF group, those in NVAF group were older, severe paralysis, and conscious disturbance and hemianopsia, and less lacunar infarction.
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