A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
88/121.5
A61B 3/02 (2006.01)
Patent
CA 1284049
VISION TESTER WITH COLOR-CORRECTED ILLUMINATING SYSTEM Abstract of the Disclosure A color-corrected vision testing apparatus and method are provided, such having a blue filtered incandescent illuminating source in a light-occluding housing for high contrast translumination of test patterns also in said housing to obtain improved testing of acuity levels.
521600
Andera Joseph F.
Kaldis Pete
Osler Hoskin & Harcourt Llp
Stereo Optical Company Inc.
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