Visual field testing showed bilat. upper-nasal constriction and relative central scotoma.
视野有明显的鼻侧上部缺陷。
Central scotoma
英语例句库
英语百科
Scotoma
（重定向自Central scotoma）
A scotoma (Greek σκότος/skótos, darkness; plural: scotomas or scotomata) is an area of partial alteration in the field of vision consisting of a partially diminished or entirely degenerated visual acuity that is surrounded by a field of normal – or relatively well-preserved – vision.
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