Ophthalmic Assistant

Category - Lensometry and Spectacle Skills

Unintentional induced prism can cause which of the following?
  1. Weak lenses
  2. Eye strain
  3. Conjunctivitis
  4. Myopia
Answer: B - Eye strain

Unintentional induced prism can cause eye strain. However, sometimes prism is deliberately induced in the spectacles of patients who have a symptomatic extraocular muscle imbalance.
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