A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 3/10 (2006.01) A61B 3/08 (2006.01) A61H 5/00 (2006.01)
Patent
CA 2050707
ABSTRACT OF THE DISCLOSURE A device useful in diagnosing ocular and optic nerve diseases in people who are capable of experiencing the Pulfrich stereo-illusion phenomenon which comprises an enclosure having two eye pieces, a bob and a reference point for the bob wherein said bob is positioned below the top of the reference point but slightly in front of it when the patient to be tested is standing in front of the device, illumination means in front of the bob and reference point, reflective means for viewing the bob and reference point through the eye pieces, means for varying the amount of light perceived through the eye pieces by each of the eyes individually of the patient to be tested, means for varying the amount of illumination and means for causing the bob to arc in a pendulum movement in front of the reference point.
Hofeldt Albert J.
Osler Hoskin & Harcourt Llp
LandOfFree
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