ABO NOCE Basic Opticianry

Category - Ophthalmic Optics

The term refractive error means
  1. Errors are made in interpreting a prescription by an optician
  2. There are abnormalities in the eye preventing the light from focusing on the retina correctly
  3. A refraction is done incorrectly
  4. None of the above
Explanation
Answer: B - Refractive error means that there are abnormalities in the eye preventing the light from focusing on the retina correctly.

Refractive errors can include myopia, hyperopia, and astigmatism.
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