发明名称 Ophthalmic apparatus
摘要 An ophthalmic apparatus for examining or measuring an eye to be examined, having an alignment optical system for aligning a position of the eye and that of a measuring system so as to be the predetermined positional relationship therebetween, the apparatus comprising a projecting device having a light source for projecting a pencil onto an examinee's face, a photo-receiving device which is an optical system having a positional detector for receiving reflex caused by the projecting device, the photo-receiving device having a detecting area which includes a right boundary of the examinee's face under the condition of being aligned with a right eye and a left boundary of the examinee's face under the condition of being aligned with a left eye, and a judging device for judging whether the eye is a right eye or a left eye in a manner of judging whether a face's boundary is the right boundary or the left boundary based on results detected by the photo-receiving device.
申请公布号 US6056404(A) 申请公布日期 2000.05.02
申请号 US19980108242 申请日期 1998.07.01
申请人 NIDEK CO., LTD. 发明人 KAWAI, NORIJI;ISOGAI, NAOKI
分类号 A61B3/10;A61B3/103;A61B3/107;(IPC1-7):A61B3/02 主分类号 A61B3/10
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