Binocular vision training and testing instrument having interconnected rotatable reflector and target means
阅读：815发布：2022-07-17
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1. A PORTABLE VISION TRAINING INSTRUMENT FOR PRODUCING A BINOCULAR EFFECT COMPRISING, (A) A PAIR OF INTERSECTING SUPPORT ARMS DISPOSED PERPENDICULAR TO EACH OTHER AND HAVING UPPER SURFACES NORMALLY LYING IN A HORIZONTAL PLANE, (B) A ROTATABLE TARGET MEANS PIVOTALLY CONNECTED ON EACH OF SAID ARMS EQUIDISTANT FROM THE POINT OF HORIZONTAL PLANE OF THE SUPPORT ARMS AND AT POINTS ON THE RESPECTIVE ARMS EQUIDISTANT FROM THE POINT OF INTERSECTION OF SAID SUPPORT ARMS, (C) A REFLECTOR ROTATABLY MOUNTED AT THE POINT WHERE SAID SUPPORT ARMS INTERSECT IN A PLANE PERPENDICULAR TO THE HORIZONTAL PLANE OF THE SUPPORT ARMS, (D) SAID REFLECTOR DISPOSED ON THE SAME SIDE OF SAID SUPPORT ARMS AS THE RESPECTIVE TARGET MEANS AND MOUNTED FOR ROTATION IN AN ARC HAVING A REFERENCE POSITION BISECTING THE ANGLE FORMED BETWEEN THE INTERSECTING SUPPORT ARMS, (E) SAID REFLECTOR SIZED TO ENABLE ONE OF SAID TARGETS TO BE VIEWED DIRECTLY BY ONE EYE AND THE OTHER OF SAID TARGETS TO BE VIEWED BY THE REFLECTION THEREOF IN SAID REFLECTOR, WHEREBY A STEREOSCOPIC EFFECT CAN BE OBTAINED, (F) AND MEANS ALTERNATIVELY INTERCONNECTING SAID REFLECTOR TO AT LEAST ONE OF SAID TARGET MEANS TO ROTATE THE CONNECTED TARGET MEANS PROPORTIONAL TO THE ARC THROUGH WHICH SAID REFLECTOR IS MOVED WHEREBY THE IMAGE VIEWED BY THE EYE USING THE REFLECTOR IS MAINTAINED AT ALL TIMES IN A PLANE PARALLEL TO THAT OF THE TARGET BEING VIEWED DIRECTLY BY THE OTHER EYE.
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