The human vision is a wonderful and complex process that allows us to perceive the colors and shapes of the world. However, not everyone experiences color vision in the same way. Color blindness and color vision deficiency are conditions that affect the perception of colors, and while many are aware of their existence, few know the details. Color vision deficiency and color blindness can affect people to varying degrees, and estimates suggest that a significant portion of the population, particularly men, may experience these disorders. The perception of colors is based on the functioning of receptors in the retina of the eye, known as cones and rods. Cones are responsible…