Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1997-07-02
1998-09-08
Dang, Hung X.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351205, A61B 310, A61B 300
Patent
active
058052682
ABSTRACT:
When there is a possibility of intervention by accommodation in an eye to be examined, a message to the effect that caution is required is displayed. An optometric apparatus includes input means for inputting optometric information necessary for a subjective examination; judging means for judging the presence or absence of a possibility of intervention by accommodation in the eye to be examined on the basis of the information inputted by the input means; and warning means for prompting caution to an examiner on the basis of a result of judgement by the judging means.
REFERENCES:
patent: 5416540 (1995-05-01), Hayashi
patent: 5444504 (1995-08-01), Kobayashi et al.
patent: 5610671 (1997-03-01), Hosoi et al.
patent: 5627612 (1997-05-01), Hayashi
Hosoi Yoshinobu
Terabe Hirohisa
Dang Hung X.
Nidek Co. Ltd.
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