Australian not-for-profit, The Fred Hollows Foundation via The Core Agency, used an invisible art show to promote awareness about ending avoidable blindness. Held during the world’s largest festival of light, Vivid Sydney, 'The Gift of Sight' featured commissioned artworks, which were invisible to the naked eye, created by 20 of Australia's top street artists with special UV inks. Visitors were then invited to discover the striking works using a UV flashlight, giving them a taste of what it’s li...