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.

单词	Central scotoma
释义	Central scotoma 英语例句库 Visual field testing showed bilat. upper-nasal constriction and relative central scotoma. 视野有明显的鼻侧上部缺陷。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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