Color blindness is a condition where individuals have difficulty distinguishing between certain colors or cannot see them at all due to malfunctioning cones in the retina.
Related terms
Cones: Photoreceptor cells in the retina that are responsible for detecting color. (e.g., red, green, blue)
Retina: The light-sensitive layer at the back of the eye that contains photoreceptor cells.
Malfunctioning: When something isn't working correctly or has a defect.