Light-illuminating probe and fundus observing apparatus, fundus surgery apparatus, endoscope, and catheter using the light-illuminating probe

摘要

A light-illuminating probe with increased spatial spread of an external illumination light and a fundus observing apparatus, a fundus surgery apparatus, and an endoscope using the light-illuminating probe are provided. The light-illuminating probe includes a light-transmitting portion which is constructed with at least a first dielectric material having a light transparency and a light-radiating portion which is constructed with a second dielectric material having a light transparency to be formed in an extension portion of the light-transmitting portion.