JP2013132502A5

JP2013132502A5 -

Info

Publication number: JP2013132502A5
Application number: JP2011286296A
Authority: JP
Filing date: 2011-12-27
Publication date: 2015-02-19
Anticipated expiration: 2031-12-27

Description

撮影された患者眼の眼底画像が表示される表示部と、眼底に検査視標を投影するための視標呈示部を備える視標呈示光学系と、前記患者眼の眼底を撮像するための撮像素子を備える眼底観察光学系と、を備える眼底検査装置において、前記表示部に表示される所定の前記眼底画像を基準画像とし，該基準画像に対する前記検査視標の呈示位置及び呈示領域を定めるための検査条件設定手段と、該検査条件設定手段で設定された前記検査視標の呈示位置又は呈示領域を変更するための検査条件変更手段と、該検査条件変更手段にて設定された前記検査視標の呈示条件に基づき前記視標呈示部を駆動制御する制御手段と、を備えることを特徴とする。
A display unit for displaying a photographed fundus image of a patient's eye, a visual target presenting optical system including a visual target presenting unit for projecting a test visual target on the fundus, and an image for imaging the fundus of the patient's eye A fundus inspection apparatus including a fundus observation optical system including an element for defining a predetermined position of the fundus image displayed on the display unit as a reference image and determining a display position and a display area of the inspection target with respect to the reference image Inspection condition setting means, inspection condition changing means for changing a presentation position or a presentation area of the inspection visual target set by the inspection condition setting means, and the inspection visual set by the inspection condition changing means Control means for driving and controlling the target presentation unit based on a target presentation condition .

Claims

A display unit for displaying a fundus image of the photographed patient's eye;
An optotype presenting optical system including an optotype presenting unit for projecting an examination target on the fundus;
A fundus oculi observation optical system comprising an image sensor for imaging the fundus of the patient's eye;
A fundus examination apparatus comprising:
A predetermined condition of the fundus image displayed on the display unit as a reference image, and an examination condition setting means for determining a presentation position and a presentation area of the examination target with respect to the reference image;
Examination condition changing means for changing the presentation position or the presentation area of the examination optotype set by the examination condition setting means;
Control means for driving and controlling the target presentation unit based on the test target presentation conditions set by the test condition changing means;
A fundus examination apparatus comprising:

The fundus examination apparatus according to claim 1.
The inspection target presentation position and the presentation area change by the inspection condition changing means are the movement, enlargement / reduction, duplication, and deletion of the inspection target on the reference image displayed on the display unit. At least one,
The fundus examination apparatus according to claim 1, wherein the control unit determines a presentation position of the examination target with respect to the fundus based on the presentation position and the presentation area of the examination target set by the change by the examination condition changing unit .

The fundus examination apparatus according to claim 1 or 2 ,
Coordinate conversion means for associating the fundus image displayed on the display unit with the fundus observation image picked up by the image sensor when the inspection target presenting area is set by the inspection condition setting means ,
The fundus examination apparatus characterized in that the control means determines a presentation position of the examination optotype based on coordinate transformation by the coordinate transformation means .