Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses
Patent
1996-01-25
1997-10-28
Mai, Huy
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
351 44, 351158, 2 12, G02C 710, G02C 100, A61F 900
Patent
active
056822197
ABSTRACT:
Eyeshade spectacles containing a light shield body, and the supporting materials to wear it, whereby the eyeshade spectacles assist the user in focusing his mind and dilating the pupils of the eye due to the difference in luminous intensity.
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