Visualization of the ultraviolet radiation reflecting power of a spectacle lens
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United States of America Patent
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Feb 19, 2013
Issued Date -
N/A
app pub date -
Oct 16, 2007
filing date -
Oct 18, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
According to the invention, in order to visualize the ultraviolet radiation reflection power of a glasses lens (10), a face of said lens is exposed to an ultraviolet radiation in order to reflect a portion of said radiation. The portion of the reflected radiation then activates a developer surface (3) having a visual appearance that changes under the influence of the received ultraviolet radiation. The developer surface is watched in real time by an observer (100). Such a visualization is particularly quick, simple and demonstrative, and can be used in an optician's shop to help a client chose a glasses lens.
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Cited Art Landscape
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