Title:
DEVICE FOR PHOTOGRAPHING EYEGROUND
Document Type and Number:
Japanese Patent JP3850192
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a device for photographing an eyeground by using an infrared fluorescence of high brightness at high efficiency and to give detailed information about the circulation of choroid coat.
SOLUTION: The device has an optical system for illuminating the eyeground with an excitation light from a laser light source emitting an infrared light with a peak wavelength of 725 to 745 nm, a filtering means for filtering an infrared fluorescence excited by the above excitation light and emitted from the eyeground, and an optical system for photographing an image of the eyeground by using the filtered infrared fluorescence.
Inventors:
Yoneya Arata
Kusunoki Shosei
Kusunoki Shosei
Application Number:
JP34990899A
Publication Date:
November 29, 2006
Filing Date:
December 09, 1999
Export Citation:
Assignee:
NIDEK CORPORATION
International Classes:
A61B3/14; A61B3/12; (IPC1-7): A61B3/14
Domestic Patent References:
| JP4166127A | ||||
| JP4303413A | ||||
| JP1300926A | ||||
| JP9309845A | ||||
| JP11258645A | ||||
| JP8173388A |