Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1995-05-22
1996-06-18
Schofer, Joseph L.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
526312, G02C 710, C08F22602
Patent
active
055283225
ABSTRACT:
Novel polymerizable yellow dyes are disclosed. Additionally, novel and known dyes are used to block or lower the intensity of blue light transmitted through ocular lenses and other windows.
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Alcon Laboratories Inc.
Cheng Wu C.
Ryan Patrick M.
Schofer Joseph L.
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