Farnsworth D15: Red/Green Color Deficiency Arrangement Test (Magnetic) - Set

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The Good-Lite® Magnetic Farnsworth D15 tests color vision by moving a magnet to arrange the colored disks. This complete Farnsworth D15 test is enclosed in a sealed plastic box tha t prevents the disks from becoming lost or dirty. When ordering the replacement chip, please specify which number it is in the notes section at checkout. Show more