Title:
PREVENTIVE APPLIANCE FOR MYOPIA AND PRESBYOPIA, AND METHOD FOR PREVENTING MYOPIA AND PRESBYOPIA USING IT
Document Type and Number:
Japanese Patent JP2005000684
Kind Code:
A
Abstract:
To provide a preventive appliance that prevents myopia and presbyopia by so-called externally giving far sight to a parson who looks near, at appropriate time intervals, and a method for preventing using it.
The preventive appliance 1 comprises a pair of visual distance adjusting means 2 that is changeable between a non-lens state and a lens state giving prescribed binocular vision, and a control means 4 that controls the visual distance adjusting means 2. While the person puts on the glasses-like visual distance adjusting means of the preventive appliance, the person who looks near is given far sight for a specified time by controlling the lens state of the visual distance adjusting means with the control means.
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Inventors:
YAMAMOTO MASAO
Application Number:
JP2004274101A
Publication Date:
January 06, 2005
Filing Date:
September 21, 2004
Export Citation:
Assignee:
SCALAR CORP
International Classes:
G02C13/00; A61H5/00; (IPC1-7): A61H5/00; G02C13/00
Attorney, Agent or Firm:
Yoshito Muramatsu
Masatake Suzuki
Masatake Suzuki
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