The Dvorine Blind Test is considered somewhat easier to pass than the Ishihara Test. The key difference is that the Ishihara Test uses fewer color plates and requires fewer errors in order to pass. The Ishihara Test is most similar to the Dvorine and slightly more well-known. What is the Dvorine Color Blind Test? The Dvorine color blind test is one of several tests that determine if an individual has a color vision deficiency.
