Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent
1992-04-15
1994-10-11
Shafer, Ricky D.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With antiglare or shading
351165, G02C 716
Patent
active
053551826
ABSTRACT:
A pair of spectacles to be worn by a golfer to facilitate the alignment of a golf ball with a target includes two optical elements supported by a spectacle frame a having a ark, tinted upper region and a clear lower region. The regions are separated by two parallel but non-aligned lines, each inclined to the horizontal by between 5.degree. and 15.degree.. The lines are oriented downwardly from left to right, as seen from outside the spectacles, in a pair of spectacles for a right-handed person and from right to left in a pair of spectacles for a left-handed person. The two lines are situated in front of respective eyes when the spectacles are in use and are offset vertically relative to each other by a distance of the order of 2 mm.
REFERENCES:
patent: 1676760 (1928-07-01), Wilson
patent: 2230009 (1941-01-01), Ordorica
patent: 2445153 (1948-07-01), Rearick
patent: 3819189 (1974-06-01), Goode
patent: 4311368 (1982-01-01), Saito et al.
patent: 4338003 (1982-07-01), Adrian
Newtel S.r.l.
Shafer Ricky D.
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