Benefits of Sunlight For Eyes - Not only fruits, vitamins, vegetables and supplemental supplements that can make our eyes healthier, light or sunlight also has good benefits for the health of our eyes lohhh. Do not believe ? Let's check it out ... As we all know, sunlight is the source of Vitamin D. Vitamin D allows one to more effectively use calcium, boost the immune system, help prevent cancer, and is essential for brain function. In addition to healthy affects on your skin, sunlight also provides other positive benefits. The human eye contains photosensitive cells in the retina, with a direct connection to the pituitary gland in the brain. Stimulation of important cells comes from sunlight, in particular, the spectrum looks bi