The best replacement for google glass is meta.

The best alternatives to google glass are rated as following:
★★★★★  meta
★★★★★  oculus rift
★★★★  smartwatch
★★★★  space glasses
★★★  vuzix
★★★  google goggles
★★  android wear
★★  iwatch
★  glass up
★  sixth sense

Your alternative for google glass is not listed? Suggest!
Speaking about google glass, one probably shouldn't forget about prescription glasses.

Other search terms related to google glass and their ratings are:
★★★★★ prescription glasses
You have in mind a companion for google glass and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of google glass in all years. Click on graph for more.
google glass
meta
oculus rift