The Journey to Cure Colorblindness
Being colorblind is a fairly common genetic variation. Color vision deficiency (CVD) affects around 1 in 12 men worldwide and 1 in 200 women; generally these individuals get along just fine. With inventions like colorblind-friendly design and glasses that allow color vision deficient individuals to see more of the spectrum, they have options. But what if we actually cured colorblindness permanently?
Humans have been working on curing colorblindness for years. Back in 2009, it was announced that two squirrel monkeys who were red-green colorblind since birth were able to see red and green as if they had never been colorblind. How? Gene therapy. The researchers used an injection of a neutralized virus combined with human genes for red photopigments. The injection was placed in the monkeys'...