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眼科装置
专利权人:
株式会社ニデック
发明人:
本多 直人
申请号:
JP2007148687
公开号:
JP4937840B2
申请日:
2007.06.04
申请国别(地区):
JP
年份:
2012
代理人:
摘要:
An ophthalmic apparatus capable of performing alignment of the apparatus with respect to an examinees eye with ease regardless of characteristics of the eye or an environment of the apparatus includes a measurement unit (4) performing examination/measurement of the eye, a projection optical system (30) for projecting an alignment target onto an anterior segment of the eye, an image-pickup optical system (20) for picking up an anterior-segment image with an image of the projected target by a two-dimensional image-pickup element, and a calculation and control unit (70) detecting the target image, and based on the detection result, detecting an alignment condition of the measurement unit with the eye, wherein the calculation and control unit detects two-dimensional luminance distribution in an image obtained by the element, and based on the detection result, changes projection light intensity of light of the target and/or gain of the element so that the target image becomes detectable.
来源网站:
中国工程科技知识中心
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