Vitamin A is crucial for vision health, particularly in maintaining the retina and the integrity of the eye. It supports the formation of rhodopsin, a protein in the retina needed for low-light vision. Vitamin A also plays a role in reducing the risk of age-related macular degeneration and contributes to overall eye health. A deficiency can lead to night blindness and other visual impairments. Consuming foods like carrots, sweet potatoes, and leafy greens can help ensure adequate vitamin A intake.