Practice Quiz

ABO NOCE Basic Opticianry

Category - Ophthalmic Products

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Which is not an advantage of a progressive lens over a bifocal or trifocal?
  1. The progressive lens avoids image jump
  2. The progressive lens is available in more material selections
  3. The progressive lens lets you see clearly at all distances
  4. The progressive lens has clear peripheral vision
Explanation
Answer: D - A bifocal or trifocal will have advantages over a progressive with clearer peripheral vision in the lenses.

As good as progressives are, most have some peripheral loss on the sides, but it is usually mild and will go away once the patient adapts to the lens prescription.
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