A pair of night vision goggles.
night vision definition by American Heritage Dictionary
Vision in dim light.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A trademark used for a technology that enables vision at night, as by amplification of low light to create visible images or by detection of infrared wavelengths.
night vision - Medical Definition
Vision occurring in dim light.