Invention Grant
- Patent Title: Fundus camera
- Patent Title (中): 眼底相机
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Application No.: US12155435Application Date: 2008-06-04
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Publication No.: US07658494B2Publication Date: 2010-02-09
- Inventor: Naohisa Shibata , Masaaki Hanebuchi , Tsuguo Nanjo
- Applicant: Naohisa Shibata , Masaaki Hanebuchi , Tsuguo Nanjo
- Applicant Address: JP Gamagori
- Assignee: Nidek Co., Ltd
- Current Assignee: Nidek Co., Ltd
- Current Assignee Address: JP Gamagori
- Agency: Oliff & Berridge, PLC
- Priority: JP2007-148686 20070604
- Main IPC: A61B3/14
- IPC: A61B3/14 ; A61B3/10

Abstract:
A fundus camera having a function of measuring a retinal function, capable of picking up (obtaining) a sharp color image of a fundus suitable for a fundus examination and measuring a retinal function with high accuracy comprises an illumination optical system comprising a visible light source, an image-pickup optical system comprising an image-pickup element, a mode selection switch for performing switching between a fundus photographing mode and a retinal function measurement mode based on variance of an intrinsic signal of a retina made by retinal stimulation, and a control unit which controls the optical systems, wherein the unit lowers, when the retinal function measurement mode is selected, illumination intensity of the illumination optical system per unit time in illuminating the fundus than that in picking up the color fundus image, and controls the element to pick up first and second visible fundus images at different points in time.
Public/Granted literature
- US20080316426A1 Fundus camera Public/Granted day:2008-12-25
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