DEVICE FOR PHOTOGRAPHING EYEGROUND

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 e...

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Hauptverfasser:	YONETANI ARATA, KUSUSHIRO TSUGUO
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
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creator	YONETANI ARATA KUSUSHIRO TSUGUO
description	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.
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subjects	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
title	DEVICE FOR PHOTOGRAPHING EYEGROUND
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