Questions to ask after viewing:
What is colorblindness?
Do you know anyone who is colorblind? What colors do they see instead of the correct ones?
This clip can be shown as part of a lesson on disorders and diseases of the eye. Since color vision deficiency is often caused by a genetic disorder of the X chromosome, males are at more risk than females because they only have one X chromosome, where women have two. This genetic disorder causes a fault in the development of the retinal cones, which are a type of cell.