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OPHTHALMIC APPARATUS AND ALIGNMENT DETERMINATION METHOD
专利权人:
发明人:
Osamu Sagano,Daisuke Kawase
申请号:
US14064330
公开号:
US20140132924A1
申请日:
2013.10.28
申请国别(地区):
US
年份:
2014
代理人:
摘要:
An ophthalmic apparatus that determines whether alignment with a subject eye is complete using an observation image of an anterior ocular segment of the subject eye obtained through a split prism determines whether or not the alignment is a success or failure based on a position of a pupil image on respective lines of a line pair that are parallel to a boundary of the split prism and are equidistant from the boundary in the observation image. The ophthalmic apparatus determines the success or failure of alignment for a plurality of line pairs whose distances from the boundary are different, and determines whether or not the alignment is complete based on the obtained determination results.
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