![]() ![]() The severity of color blindness can vary, and most people with color blindness are still able to see some colors. It is caused by several factors, including inherited genetic factors, aging, damage to the eye or optic nerve, certain medications, and exposure to toxins. The test consists of 38 colored plates, each of which contains a circle of dots appearing randomized in color and size. In conclusion, color blindness is a condition in which a person has difficulty seeing certain colors or has difficulty distinguishing between different colors. People with color blindness cannot tell the difference between certain colors. A person with color blindness may either see '21' or no number at all. The severity of color blindness can vary, and some individuals may only have mild difficulty distinguishing between certain colors, while others may have more significant difficulties. Someone who is not color blind will clearly see the number '74' here. It's important to note that color blindness is not a complete loss of color vision, and most people with color blindness are still able to see some colors. Exposure to toxins: Exposure to certain chemicals and toxins, such as lead and mercury, can also cause color blindness.Certain medications: Some medications, such as certain antibiotics and anti-inflammatory drugs, can cause color blindness as a side effect.Damage to the eye or optic nerve: Trauma to the eye or optic nerve, or diseases such as cataracts or glaucoma, can also cause color blindness. ![]()
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