Attached Link: Color Deficiency Information

Thanks for everyone's response. I, too, am red/green (the most prevalent, IIRC). I do not think it is quite as severe as not seeing red/green, as I can distinguish them, so much as the many variouos shades. The green light against white lights in the background can be cumbersome for me. (I just figure that if I do not see red or amber, it is safe to go.) I have also been caught by "backseat drivers" from time to time going through flashing red lights vs flashing amber. After thinking about it more, I did realize that I do tend to use red more than most colors (besides black/white) in a lot of my pictures. The funny thing is I hate green, or maybe just because of the way my eye interprets it. :0) During my search yesterday, I found a couple of sites that explained the condition(s) in detail. The one in the link is exceptionally written and detailed. Another link (http://members.aol.com/nocolorvsn/color.htm) is also interesting and has some tests to help determine the deficiency.