You can certainly change you colour perception by wearing some sort of tinted lens, but you can't rectify a colour vision deficiency. I find the website below very useful in explaining a lot about colour vision deficiency. There is no known therapy that will render a colour deficient person with normal colour vision http://www.colblindor.com/2008/03/29/improving-color-vision-with-lenses-for-the-colorblind/