You can download these charts online, but working with an optometrist or ophthalmologist is the best way to understand your form of color vision deficiency, if you have one. Those with a specific color deficiency will be unable to see the number formed by different colored dots, while someone with normal color vision will see it. Part of the exam will involve a series of charts called pseudoisochromatic plates, which typically feature several dots of color in different configurations - numbers and shapes, for example. Color Blindness Testing & DiagnosisĬomprehensive eye exams are the only way to receive a diagnosis for color vision deficiency or color blindness. It affects your ability to discern any colors at all.Ĭomplete color blindness may be accompanied by vision problems such as double vision and blurry vision. Complete Color BlindnessĪlso known as monochromacy, complete color blindness is rare. Tritanopia and tritanomaly are the two kinds of blue-yellow color blindness. Deuteranopia and protanopia both mean you can’t discern between colors of green and red.Ī less-common type of color blindness, this condition affects the ability to differentiate between blue and green and yellow and red colors.Similarly, the condition doesn’t affect your quality of life. Protanomaly is the opposite of deuteranomaly.Deuteranomaly is usually mild and doesn’t significantly affect your day-to-day activities. The condition makes green colors appear redder.

Deuteranomaly is the most prolific type of red-green color blindness.Four types of red-green vision deficiencies exist within the group: It usually affects a person’s ability to discern between red and green colors. This is the most-diagnosed type of color blindness. There are several types of color-vision deficiency, including red-green deficiency blue-yellow deficiency and complete color blindness. What Is Color Blindness & How Is It Diagnosed?Ĭolor blindness, also called color vision deficiency, refers to a spectrum of conditions-to anyone who cannot partially or fully distinguish between certain colors such as: There are several brands of color-correcting glasses, but it is important to get an eye doctor’s advice and a prescription to determine which ones will work best for you. One treatment involves special glasses, which can change depending on what type of color blindness you have. Color blindness, also called color vision deficiency, is most often a genetic condition that does not go away however, there are treatments to improve quality of life.

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