眼底カメラ
- 专利权人:
- 株式会社ニデック
- 发明人:
- 中西 弘敬
- 申请号:
- JP2006180393
- 公开号:
- JP4886388B2
- 申请日:
- 2006.06.29
- 申请国别(地区):
- JP
- 年份:
- 2012
- 代理人:
- 摘要:
PROBLEM TO BE SOLVED: To make it possible capture a favorable fundus image by facilitating the alignment even for an examiner being unused to the operation.
SOLUTION: This fundus camera having a capturing section disposed with a capturing optical system for capturing the image of a fundus is provided with an anterior ocular segment observation optical system having a first image pickup device for capturing the image of the anterior ocular segment, a fundus observation optical system having a second image pickup device for capturing image of the fundus, a display means capable of switchingly displaying the anterior ocular segment image and the fundus image, an alignment control means detecting a displacement of the alignment of the capturing section from an eye, determining whether it is within a prescribed alignment tolerance or not and, when being outside the tolerance, executing the alignment operation, and a fixation target presentation means capable of changing the presentation position of a fixation target for guiding the visual axis of the eye widely sets the tolerance in the fundus display state relative to the tolerance in the anterior ocular segment image display state by the display means and sets the tolerance in the fundus display state based on the presentation position of the fixation target by the fixation target means.
COPYRIGHT: (C)2008,JPO&INPIT
- 来源网站:
- 中国工程科技知识中心