The best replacement for bifocals is trifocals.

The best alternatives to bifocals are rated as following:
★★★★★  trifocals
★★★★  progressive lenses
★★★  progressive
★★★  reading glasses
★★  single vision
★★  progressives
★★  contacts
★  progressive glasses
★  multifocals
★  varifocals
★  glasses
★  no line bifocals
★  two pairs of glasses
★  2 pairs of glasses
★  no line
★  separate glasses
★  regular glasses
  transitions
  two glasses
  monovision
  lined bifocals
  progressive lens
  line bifocals
  readers
  bifocal lenses
  transition lenses
  two pair of glasses
  lined

Your alternative for bifocals is not listed? Suggest!
Speaking about bifocals, one probably shouldn't forget about transition lenses.

Other search terms related to bifocals and their ratings are:
★★★★★ transition lenses
★★★★★ contacts
★ astigmatism
You have in mind a companion for bifocals and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of bifocals in all years. Click on graph for more.
bifocals
trifocals
progressive lenses