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3630 x 2414 pixels
30.7 x 20.3 cm ⏐ 12.1 x 8.0 in (300dpi)
BELMONTE / SCIENCE PHOTO LIBRARY BELMONTE / SCIENCE PHOTO LIBRARY
TEST FOR COLOR BLINDNESS Photo essay at the medical center of Primary Health Insurance Fund (CPAM) of Paris. Ishihara test. This test permits to screen dichromatopsia (color vision deficiency). It is one of the tests of reference to screen daltonism.
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