Which vitamin is primarily associated with vision?

Vitamin A is primarily associated with vision because it plays a crucial role in the formation of rhodopsin, a pigment found in the retina of the eye that is essential for low-light vision. Rhodopsin enables the eyes to detect light and perceive images in dim lighting conditions. Vitamin A also contributes to the maintenance of the cornea and is involved in the overall health of the eyes, helping to prevent conditions such as night blindness. Additionally, this vitamin is vital for the proper functioning of photoreceptor cells, which transform light into the visual signals that the brain interprets as images.

Other vitamins, while important for overall health, do not have a direct role in vision as Vitamin A does. For instance, B vitamins are more involved in energy metabolism and the functioning of the nervous system, Vitamin C is known for its antioxidant properties and immune support, and Vitamin D plays a significant role in bone health and calcium absorption. Thus, Vitamin A stands out as the key nutrient linked specifically to visual health and function.