Title:
眼科装置
Document Type and Number:
Japanese Patent JP6562731
Kind Code:
B2
Abstract:
An ophthalmic apparatus capable of suppressing ghost, and securing a necessary amount of working distance even when an eye to be inspected has a diopter on a myopia side, includes: a large area image acquisition unit acquiring a large area image of a fundus of the eye to be inspected at a low resolution based on return light of first measuring light from the fundus; a small area image acquisition unit acquiring a small area image of the fundus at a high resolution based on return light of second measuring light from the fundus; and a dichroic prism combining the first measuring light and the second measuring light, and dividing the return light, in which the large area image acquisition unit includes an optical member having a positive optical power, which is arranged at a position opposite to the eye to be inspected with respect to the dichroic prism.
Inventors:
Takashi Sudo
Application Number:
JP2015125372A
Publication Date:
August 21, 2019
Filing Date:
June 23, 2015
Export Citation:
Assignee:
Canon Inc
International Classes:
A61B3/10; A61B3/12
Domestic Patent References:
| JP2013169352A | ||||
| JP2001008899A | ||||
| JP5127097A | ||||
| JP2003331454A | ||||
| JP2012081330A | ||||
| JP2010259543A | ||||
| JP2013248260A |
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Masami Saito
Takao Ochi
Koji Yoshizawa
Masami Saito