How many colors can humans see?
Vision (eyesight): How many colors can the human eye detect?
How is eye color determined? How many shades of green can the human eye perceive? What is the most desirable eye color? What is the most popular eye color? Why would one eye see different colors than the other? If people were able to see a broader spectrum of light, would we perceive more colors? Do different colored eyes see differently? What is my eye color? Vision (eyesight): How many frames per second do humans see? What colour are these eyes ? Is there an evolutionary advantage to eye (iris) color? What eye color is this? What eye color is this? What percent of the population have two different colored eyes ? What color do we see when we close our eyes? On a clear day, how far can the human eye see? How do you know if someone is color-blind? How fast do our eyes see? What exactly is color blind? How can you explain colors to a blind person ? What does color mean to a blind person? What do intelligent eyes look like? What colour is this eye? Can human eyes be modified to make us see/sense wavelengths beyond the visible spectrum? Vision (eyesight): What is the ideal computer screen brightness level for eye health? How far our eyes can see? How far can our eyes see? Visual Perception: Is everyone's experience of color the same? How many stars are visible by the human eye from Earth? What is the sampling rate of the human eye while seeing something?