Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Shooting type
Reexamination Certificate
2006-12-12
2006-12-12
Mai, Huy (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Shooting type
C351S047000
Reexamination Certificate
active
07147320
ABSTRACT:
An aiming improvement device for attaching to glasses having lenses and arms and worn by a shooter having a dominant eye and a non-dominant eye and for at least maximizing depth of field of the shooter and preserving depth perception and binocular vision of the shooter. The device includes an opaque aperture-adjusting assembly, a translucent shade, and attaching apparatus. The opaque aperture-adjusting assembly selectively overlies the lens communicating with the dominant eye to maximize the depth of field of the shooter. The translucent shade selectively overlies the lens communicating with the non-dominant eye to preserve the depth perception and the binocular vision of the shooter. The attaching apparatus is attached to, and replaceably attaches, the opaque aperture-adjusting assembly and the translucent shade to the lenses so as to allow them to have an operational position where they overlie the lenses and a non-operational position where they do not overlie the lenses but are still replaceably attached to the glasses.
REFERENCES:
patent: 1340579 (1920-05-01), Tousey
Baxley Charles E.
Mai Huy
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