Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Combined
Patent
1989-06-29
1991-12-31
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Combined
351 41, G02C 100
Patent
active
050766821
ABSTRACT:
Telemicroscopic spectacles including a carrier eyeglass frame, spectacle lenses and a small or miniture multiple lens optical instrument mounted posteriorly relative to at least one of the lenses so as to extend from a front lens of the instrument disposed at or about such spectacle lens toward the wearer's eye such that a rear exit lens of the instrument is disposed adjacent the wearer's eyelash. The optical instrument is adjustable in optical length for focal adjustment by finger manipulating a focusing drive mounted on the spectacles and operable from at or near the outer periphery of the associated spectacle lens. The instrument is also supported on the spectacles from at or near the outer periphery of the associated spectacle lens. Several embodiments of remote focusing drives and remote support attachments are disclosed.
REFERENCES:
patent: 4195918 (1980-04-01), Freche et al.
patent: 4364645 (1982-12-01), Feinbloom
patent: 4795235 (1989-01-01), Spitzberg
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