A possible cure for colour blindness has been introduced by an American research team. Although the solution is not contact lenses, it may be interesting to look into for color blind contact lens users.
4.5% of the population in the UK is colour blind, whereof 1 in every 12 men and 1 in 200 women. The reason why more men than women are affected is that the main reason for colour blindness is genetic and the X-chromosome carries on the condition.
The research team, according to BBC found spectacle lenses that cure red-green colour blindness. If you are desperately looking for a solution to better see red or green colours, they may help. Unfortunately they do affect the visibility of other colours as well.
The downfall with these lenses is that they reduce the ability to perceive yellow and blue. It is not advised to drive whilst using these glasses, since the ability of seeing seeing traffic signs such as road warnings properly will be diminished.