Title:
視野計
Document Type and Number:
Japanese Patent JP4476050
Kind Code:
B2
Abstract:
A perimeter for examining a visual field condition of an examinee's eye, includes: a target presenting unit a response unit brain activity detecting unit which detects an activity condition of a visual cortex of the examinee; and an operation unit which determines if the response with the response unit with respect to presentation of the target is resulted from a fact that the examinee can perceive the target based on a detection result of the brain activity detecting unit and which obtains the visual field condition on the basis of the presentation condition of the target and the response result in consideration of the determination result of the brain activity detecting unit.
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Inventors:
Toshifumi Kakutani
Application Number:
JP2004195046A
Publication Date:
June 09, 2010
Filing Date:
June 30, 2004
Export Citation:
Assignee:
NIDEK CORPORATION
International Classes:
A61B3/024; A61B5/145; A61B5/1455; A61B10/00; G01N21/35; G01N21/359
Other References:
高橋和巳他,片側視野刺激に対する左右視覚野の反応,臨床神経生理学,2001年 4月 4日,第29巻、第2号,第167頁
高橋和巳他,片側視野刺激に対する一次視覚野とその周辺の反応,臨床神経生理学,2002年 4月 4日,第30巻、第2号,第185頁
高橋和巳他,片側視野刺激に対する一次視覚野とその周辺の反応,臨床神経生理学,2002年 4月 4日,第30巻、第2号,第185頁