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Anti-Fatigue Lenses


Updated November 12, 2010

Written or reviewed by a board-certified physician. See About.com's Medical Review Board.

Definition: Anti-fatigue lenses (AF lenses) are specialized lenses that are designed to improve vision while performing near and intermediate visual tasks. Anti-fatigue lenses offer help to reduce digitally induced eyestrain and other visual stress.

Anti-fatigue lenses are often prescribed in order to relieve the symptoms of visual fatigue (asthenopia) which include the following:

  • Eye pain
  • Burning
  • Dry eyes
  • Headache
  • Blurry vision
  • Red, watery eyes
  • Concentration difficulties
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