The best replacement for 3d glasses is passive.

The best alternatives to 3d glasses are rated as following:
★★★★★  passive
★★★★  dlp link
★★★  active shutter
★★★  passive 3d glasses
★★★  anaglyph
★  active 3d glasses
★  new 3d glasses
★  3500 3d glasses
  imax 3d glasses
  rf 3d glasses
  vizio 3d glasses
  3d glasses

Your alternative for 3d glasses is not listed? Suggest!
Speaking about 3d glasses, one probably shouldn't forget about regular glasses.

Other search terms related to 3d glasses and their ratings are:
★★★★★ regular glasses
★★★★ projector
★★★ 3d tv
★★ normal glasses
★ avatar
★ ir emitter
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You have in mind a companion for 3d glasses and it is not yet here? Propose!



Google Trends

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3d glasses
passive
dlp link