Title:
OPTOMETER
Document Type and Number:
Japanese Patent JP2015188519
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an optometer that informs an examiner when a misalignment occurs and causes him or her to perform an accurate subjective examination.SOLUTION: An optometer includes an observation system 12 for observing an anterior eye part of an eye E to be examined, a subjective type measurement system 15 for presenting a subjective type visual target chart to the eye E to be examined, and alignment detection means for detecting an alignment of the subjective type measurement system 15 with respect to the eye E to be examined. When the subjective type visual target chart is presented to the eye E to be examined from the subjective type measurement system 15, an alignment is detected by the alignment detection means. A display part 10 is provided for notifying the examiner that there is a misalignment when there is a misalignment in the subjective type measurement system 15.
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Inventors:
KOBAYASHI MARIKO
Application Number:
JP2014066278A
Publication Date:
November 02, 2015
Filing Date:
March 27, 2014
Export Citation:
Assignee:
TOPCON CORP
International Classes:
A61B3/10; A61B3/028; A61B3/103
Attorney, Agent or Firm:
Tamio Nishiwaki
Nishiwaki Reishi
Nishiwaki Reishi