ABO NOCE Basic Opticianry

Category - Ophthalmic Products

Which is not an element of every free form lens?
  1. Excellent vision in low and at night
  2. Excellent sharp vision
  3. Excellent polarization
  4. Excellent color vision
Explanation
Answer: C - Not all free form lenses are polarized.

Polarization is a sunglass lens. Free form lenses do provide sharp vision especially at night and in low light making color vision excellent. All free form lenses are digitally made and provide excellent vision in most prescriptions.
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