Invention Grant
- Patent Title: Fundus camera
- Patent Title (中): 眼底相机
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Application No.: US12073117Application Date: 2008-02-29
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Publication No.: US07651223B2Publication Date: 2010-01-26
- Inventor: Naoki Ichikawa
- Applicant: Naoki Ichikawa
- Applicant Address: JP Gamagori-shi
- Assignee: Nidek Co., Ltd.
- Current Assignee: Nidek Co., Ltd.
- Current Assignee Address: JP Gamagori-shi
- Agency: Oliff & Berridge, PLC
- Priority: JP2007-052101 20070301
- Main IPC: A61B3/14
- IPC: A61B3/14 ; A61B3/10

Abstract:
A fundus camera capable of preferably photographing the periphery of a fundus irrespective of the state of an eye includes a photographing optical system having a photographing optical axis for photographing the fundus, a fundus observation optical system for picking up a fundus observation image, an alignment target projection optical system for projecting an alignment target onto an anterior segment of the eye, an alignment target image detection optical system, a photographing unit housing the systems, a moving mechanism moving the unit for alignment of the axis, a fixation target presenting system for guiding a visual line direction, a target presenting position being selectable or changeable, a display unit, and a controller controlling the display unit to display the observation and target images, wherein the controller includes a program for forming and displaying a reticle mark in displaying the observation image varying the shape of the mark with the presenting position.
Public/Granted literature
- US20080212029A1 Fundus camera Public/Granted day:2008-09-04
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