Official Ishihara Color Blindness Test - Options 14 Plate <br />http://www.amazon.com/gp/product/B003TXOB1O?tag=sukses2015-20 <br /> <br />Official Ishihara Color Blindness Test - Options 14 Plate <br />For congenital redgreen color blindness <br />Color plates encased in album-type books <br />10 14 24 38 plate options <br />Instructions included
