Farnsworth D-15 Colour Test

Farnsworth D-15 colour test. Clear tube style package, the pieces are slid into the tube from one end.  This tube style package makes scoring easier and quicker as you can turn the test over to read the numbers without the fear of  pieces falling out of order. Farnsworth determines normal, strongly deficient and medium colour deficiency. Excellent clinical results correlated to 100 Hue test. Includes reference disc and 15 numbered test discs.