By: Vicki Allison
Their are different types of color blindness. The four here, all of them are slightly different.
There are different tests to figure out if a person is colorblind.
Trouble seeing colors and the brightness of colors in their usual way; An inability to tell between different shades of the same or different colors; Sometimes in rare cases rapid eye movement can occur; Rare cases you can only see black and white; May only be able to see a few shades of color.