Practice Quiz

Certified Ophthalmic Medical Technologist (COMT)

Category - COMT

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When choosing a frame for a progressive wearer, what is the minimum distance above the pupil center to the top of the lens?

  1. 2 mm
  2. 5 mm
  3. 10 mm
  4. 15 mm
Explanation

Answer: C - When choosing a frame for a progressive wearer, the minimum distance above the pupil center to the top of the lens is 10 mm.

When fitting a frame for someone who wears progressive lenses, it is best to have at least 10 millimeters of space between the center of the pupil and the top of the lens. The reading reference circle should also be located within the eyewire.

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