色觉测试15色球(730004)
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Magnetic Farnsworth D15 Color Test
The Good-Lite® Magnetic Farnsworth D-15 tests color vision by moving a magnet to arrange the colored disks. This complete Farnsworth D-15 test is enclosed in a sealed plastic box that prevents the disks from becoming lost or dirty.
规格
730004
品牌
GOOD-LITE(美国）
