Title:
検眼装置、検眼用チャートを用いた自覚測定方法
Document Type and Number:
Japanese Patent JP6537843
Kind Code:
B2
Abstract:
An optometry apparatus (10, 60) includes an eye chart presentation optical system (31, 61, 75) that presents an optometric chart (31v, 31w) to an eye to be examined E as a subjective eye chart for subjective measurement and a control unit (21) that controls the eye chart presentation optical system (31, 61, 75) to present the optometric chart. The control unit (21) executes instant presentation of the optometric chart by controlling the eye chart presentation optical system (31, 61, 75) to finish presenting the optometric chart when an instant presentation time has elapsed after starting presenting the optometric chart (Steps S8 to S10).
Inventors:
Robert Foster
Ishihara Mutsushi
Meiji Ume
Ishihara Mutsushi
Meiji Ume
Application Number:
JP2015029519A
Publication Date:
July 03, 2019
Filing Date:
February 18, 2015
Export Citation:
Assignee:
Topcon Co., Ltd.
International Classes:
A61B3/032
Domestic Patent References:
| JP2004510478A | ||||
| JP2013526920A | ||||
| JP2006246992A | ||||
| JP2003265412A | ||||
| JP2004097377A |
Foreign References:
| WO2014022850A1 |
Attorney, Agent or Firm:
Cleo International Law & Patent Office
Tamio Nishiwaki
Nishiwaki Reishi
Tamio Nishiwaki
Nishiwaki Reishi