If successful , they will be able to see in black and white .
2016 : RetroSense Therapeutics aimed to inject viruses with DNA from light - sensitive algae into the eyes of several blind people ( who have retinitis pigmentosa ) .
If successful , people will be able to see in black and white .
2016 : RetroSense Therapeutics aimed to inject viruses with DNA from light - sensitive algae into the eyes of several blind people ( who have retinitis pigmentosa ) .