
Pencil Crayons Black & White by Adam Clarke, Creative Commons Attribution-NonCommercial 2.0
Colour deficiency is when you can see all the colours, but your eyes can't make the distinction between them when taken out of context.
Lights are the worst. I describe my perception of lights as warm or cool. I can't tell the difference between red and yellow lights unless they're next to each other. Blue is usually okay. I could...