How Do I Improve Night Vision?

Under nighttime or low-brightness conditions, invisible radiation is transformed or weak night sky light is enhanced to become visible light that can be felt by the human eye. It is applied to military optoelectronic technology for covert observation. It is mainly used for night reconnaissance, photography, observation and targeting, vehicle driving, equipment repair, engineering rescue and battlefield rescue. In civilian use, it can be used for astronomical observation, space exploration, space navigation, deep-water inspection and nuclear physics experiments.