Cheap Varifocals versus Superior Varifocals

  • Varifocals have the distance prescription at the top of the lens, so when you’re looking straight ahead, things should be clear far away.
  • There is a gradual change in the prescription from top to bottom of the lens, where your reading area is located.
  • Because all these powers are blended together in the lens, there are distortions at the sides of the lenses, and only a central channel in the lens has clear vision.

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