Night Vision Goggles Binoculars & Thermal Imaging Night vision is technology that provides users with some vision in total darkness and improved vision in low-light environments. The most common applications include night driving or flying, night security and surveillance, wildlife observation, sleep lab monitoring and search and rescue. Night vision is often used by the military and also has recreational purposes, like use on home video cameras or during night hiking. Being able to see things clearly and effectively at night is a hobby for some people and a necessity for others.