A night-vision device, also known as a night optical/observation device or night-vision goggle, is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision. In the United States, U.S. Persons (Citizens,
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Night-vision device A night-vision device, also known as a night optical/observation device or night-vision goggle, is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision. In the United States,