Title:
READING SPECTACLES FOR NORMAL USE
Document Type and Number:
Japanese Patent JP2001091905
Kind Code:
A
Abstract:
To develop reading spectacles which enable a wearing person to make ordinary action while wearing the spectacles by putting the spectacles to reading spectacles when viewing nearby and putting the spectacles into a state having no diopter when viewing far.
The reading spectacles for normal use which upwardly and outwardly movably support concave lenses 2 disposed on the outer side of a pair of convex lenses 1 to be used as the reading spectacles so as to be respectively superposed thereon and are previously so set in the diopter of these concave lenses as to attain the glass state free from the refraction of light when the concave lenses are superposed on the convex lenses 1.
Inventors:
SANO SHINSUKE
Application Number:
JP26410099A
Publication Date:
April 06, 2001
Filing Date:
September 17, 1999
Export Citation:
Assignee:
SANO TOME SHOTEN KK
International Classes:
G02C7/02; (IPC1-7): G02C7/02
Attorney, Agent or Firm:
Nobumichi Miyata