Värinäkökyvyn
Värinäkökyvyn, also known as color vision, refers to an individual's ability to perceive and distinguish between different colors. It is a complex sensory process involving the eyes and the brain. The human eye contains specialized photoreceptor cells called cones, which are sensitive to different wavelengths of light. Typically, there are three types of cones, each most sensitive to red, green, and blue light, respectively. When light enters the eye, these cones are stimulated to varying degrees, and this information is transmitted to the brain, which then interprets these signals as specific colors.
The perception of color is subjective and can be influenced by factors such as lighting conditions, the