Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent
1982-11-22
1985-02-12
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With antiglare or shading
351 46, G02C 716
Patent
active
044987439
ABSTRACT:
There is disclosed a simulator for simulating a reduced peripheral field of view for the eyes of a normal user. The simulator consists of a frame having a front section upon which two eye pieces or binocular tubes are mounted. The frame has adjustable temple pieces which are adjustable in the horizontal direction and are adjustable to provide an angle with respect to the vertical so as to adjust the tilt of the frame when it is being worn by the user. Each binocular tube is associated with a variable iris diaphragm which enables the practitioner to adjust the opening to thereby simulate a different field of view according to the particular visual defects associated with a handicapped user. The simulator has left and right shields depending from the temple sections to prevent side vision when the frame is being accommodated by the user. In employing the simulator the device will provide an accurate replica of a reduced field of view such as that existing in a patient having tunnel vision. In this manner the normally sighted can experience the difficulties associated with such visual defects and thereby offer aid and assistance to the handicapped.
REFERENCES:
patent: 1876769 (1932-09-01), Sheffield
patent: 2107102 (1938-02-01), Catron
patent: 3476466 (1969-11-01), Hopkins
patent: 3873192 (1975-03-01), Anderson
patent: 4331393 (1977-05-01), Bradley
Bovernick Rodney B.
Designs for Vision Inc.
Plevy Arthur L.
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