Title:
OPHTHALMOLOGIC IMAGE PICKUP UNIT
Document Type and Number:
Japanese Patent JP3762023
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To clear that which one of cornea reflecting images in a light source pair is presented.
SOLUTION: At the time of stereoscopic image picking-up, a movable part is moved from an initial position to a right direction by an operating part at first and a movement quantity detecting part 22 detects that it enters into an area. Thus, a light source control part 21 turns-off a light source 19b so as to eliminate the cornea reflecting image R2, a photographer recognizes only the cornea reflecting image R1 in a TV monitor 9 and the cornea reflecting image R1 is photographed in accordance with the reference line of a sight sign 15. When the movable part is moved to a left direction by same procedure, the light source 19b is turned-on again in a state where it gets out of the area and the light source 19a is turned off so as to eliminate the cornea reflecting image R1 when it enters the area so that the photographer aligns the cornea reflecting image R2 to one of the reference lines of the sight sign 15.
Inventors:
Kenichi Kashiwagi
Application Number:
JP5237697A
Publication Date:
March 29, 2006
Filing Date:
February 20, 1997
Export Citation:
Assignee:
Canon Inc
International Classes:
A61B3/10; (IPC1-7): A61B3/10
Domestic Patent References:
| JP4067834A | ||||
| JP64058239A | ||||
| JP7100113A | ||||
| JP2268736A | ||||
| JP7327931A |
Attorney, Agent or Firm:
Yasuhiko Hibiya
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