[http://www.olympusmicro.com/primer/lightandcolor/images/primarycolorsfigure3.jpg] White Light Red Light Green Light Blue Light
[http://www.olympusmicro.com/primer/lightandcolor/images/primarycolorsfigure3.jpg]
White Light
Red Light
Green Light
Blue Light
The EyeThe Eye
• Light passes through the pupil (black part) and lens then focuses on the retina on the back of the eye.
The EyeThe Eye
• The retina is made up of cells called rods and cones which take the light and send signals to the brain.
The EyeThe Eye
• Rods are sensitive to dim light and useful for seeing at night.
• Sometimes cause an “afterimage” to appear from bright or prolonged light.
Click here for Afterimage Demonstrations
The EyeThe Eye
• Cones are responsible for colors and shapes of objects.– 3 types:
•Red (Red Yellow)•Green (Yellow Green)•Blue (Blue Violet)
[http://upload.wikimedia.org/wikipedia/en/thumb/d/d6/1Mcolors.png/600px-1Mcolors.png]
The EyeThe Eye
• Color Blindness occurs when the cones do not properly distinguish colors of light.
• 8% of men• 0.5 % of women
Click for color palate demonstration
Click for color changing demonstration
25
29
45
56
6
8
Normal
Protanomaly (Weak Red)
Deuteranomaly (Weak Green)
http://members.shaw.ca/hidden-talents/vision/color/pics/rose-gw.jpg
Normal
http://members.shaw.ca/hidden-talents/vision/color/pics/rose-gw.jpg
Protanopia (No Red)
Deuternopia (No Green)
Normal
Protanope
Deuteranope