from Reichert Technologies for Magnetic Farnsworth D15 Kit
3rd Edition City University Color Vision Test from Keeler Instruments Inc.
Farnsworth 100 Hue Test from Good-Lite (Formerly Richmond Products, Inc.)
Farnsworth's D15 Test from Good-Lite (Formerly Richmond Products, Inc.)
Farnsworth-Munsell Dichotomus D-15 Test from Precision Vision®