Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1976-11-26
1978-01-17
Sacher, Paul A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
350 2, 350179, 351 44, G02B 312, G02B 106
Patent
active
040689182
ABSTRACT:
An eye cooler is described to minimize discomfort of the eye region during sunbathing and, at the same time, to permit tanning of the area covered by the cooler. This is accomplished using a pair of flexible liquid-filled lenses, the walls of the lenses being formed from a very thin plastic film. The lenses are joined to each other by a nose bridge section, and means are included to hold the cooler in place on the wearer in contact with the skin. The liquid within the lenses, such as water, serves as a heat sink whereby heat is transferred through the thin plastic from the skin into the water to provide the cooling effect.
In a special embodiment, the plastic and the liquid are chosen so as to provide a desired degree of transmission of the ultraviolet radiation wavelengths which produce tanning. The u.v. transmission of the total lens can be made equivalent to that of suntanning preparations, for example.
REFERENCES:
patent: 3161718 (1964-12-01), DeLuca
Sacher Paul A.
Skinner Martin J.
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