The best replacement for night vision is thermal.

The best alternatives to night vision are rated as following:
★★★★★  thermal
★★★★  infrared
★★  flir
★★  thermal imaging
★★  ir
★  day vision
★  thermal planetside 2
★  gen 2
★  thermal vision
  low light
  fluir
  infrared goggles
  full spectrum
  thermal image
  atn night vision

Your alternative for night vision is not listed? Suggest!
Speaking about night vision, one probably shouldn't forget about eotech.

Other search terms related to night vision and their ratings are:
★★★★★ eotech
★★★★ pedestrian detection
★★ aimpoint
★★ aimpoint pro
★★ red dot
★★ camera
★★ acog
contact lenses
scopes
night vision
camcorder
You have in mind a companion for night vision and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of night vision in all years. Click on graph for more.
night vision
thermal
infrared