Can Color Vision Be Corrected?

Unfortunately, color vision correction is not possible. Color vision problems, often referred to as color blindness, can be inherited or caused by disease of the retina or optic nerve. Color vision correction would be ideal for these patients but the technology just isn’t available.

The center of the retina contains cones filled with red, green, and blue photosensitive pigments. Those with color blindness have a deficiency in one or more of the pigments. We all fall into one of three categories when it comes to color vision, trichromats, anomalous trichromats, or dichromats.

Trichromats are those with normal color vision. If there is a deficiency in one of the aforementioned pigments in the retina, that is an anomalous trichromat. Finally, if there is an absence in one cone pigment, rather than a deficiency, that is a dichromat.

If disease is the cause of color blindness then it is generally going to affect only the diseased eye. Usually this kind of color vision defect causes difficulty distinguishing blues and yellows and it can get worse over time.
More common is inherited color blindness. Typically it affects both eyes and remains the same over time rather than getting worse like the color blindness caused by disease. Most of the time only some colors are affected, but in rare instances all colors are affected. In this case there are usually more serious eye problems involved

Again, color vision correction is simply not possible. It is a matter of learning to live with it by associating colors with objects. Unfortunately those with color vision deficiencies are not able to enjoy color the same as the rest of us, but one never knows what the future holds for new technology regarding this problem.

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