The answers are:

  1. Progressive, Bifocal and trifocal
  2. Progressive
  3. It has the same curve across its entire surface.
  4. A lens that has a higher “index” of refraction, this means it has a greater ability to bend light rays.
  5. Polycarbonate lenses are durable and polycarbonate lenses have built-in UV filters

How many did you get? Let us know in the comments.

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