It's Not That Easy Being Seen
An Ishihara color-blindness test featuring a well known frog. To paraphrase the frog himself - It's not that easy being seen! (If you can't see him then you might have protanopia or deuteranopia.)
It's not all black and white: Understanding colorblindness - Eye Society
Perception is reality. For many people, their reality is a reduced ability to perceive colors in the same way that the majority of the world sees them. Also called a color vision deficiency, this condition affects about 1 in 12 males and about 1 in 20 females. Contrary to popular belief, color blindness does not […]
Colour blindness in the classroom : Fizzics Education
Science education workshops & shows for schools, libraries, events, parties & more since 2004. Plus find science resources, toys & gifts online as well as free experiments & podcasts!