US Patent No. 9,282,889

OPHTHALMOLOGIC PHOTOGRAPHING APPARATUS AND CAMERA FOR USE IN OPHTHALMOLOGIC PHOTOGRAPHING


Patent No. 9,282,889
Issue Date March 15, 2016
Title Ophthalmologic Photographing Apparatus And Camera For Use In Ophthalmologic Photographing
Inventorship Masao Shikaumi, Tokyo (JP)
Motoya Takai, Nagareyama (JP)
Yasuhiro Nakahara, Kawasaki (JP)
Hiroki Uchida, Tokyo (JP)
Assignee Canon Kabushiki Kaisha, Tokyo (JP)

Claim of US Patent No. 9,282,889

1. A camera which is detachable from a fundus camera body including an illumination optical system configured to illuminate
a subject's eye with illumination light and a photographing optical system configured to photograph the subject's eye illuminated
by the illumination optical system with one of visible light and infrared light, the camera comprising:
an image sensor including a light receiving surface to receive return light from the subject's eye through the photographing
optical system; and

a display unit configured to display an image of the subject's eye formed on the light receiving surface in monochrome based
on an output signal from the image sensor in a case where the illumination optical system illuminates the subject's eye with
the infrared light, and to display an image of the subject's eye formed on the light receiving surface in color based on an
output signal from the image sensor in a case where the illumination optical system illuminates the subject's eye with visible
light.