A Guide to Clinical Contact Lens Management

Signs, Symptoms, Diagnosis and Management

Academy for Eyecare Excellence™
IN COOPERATION WITH
Centre for Contact Lens Research
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Signs
Symptoms
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Symptoms - Dryness

Symptoms

  • Dry eyes; most marked at end of wearing time

Signs

  • None to tear deficiency and corneal and conjunctival desiccation in the interpalpebral aperture
  • Poor pre-lens tear film; poor lens wettability

Etiology

  • Various causes, but tear deficiency is implicated
  • Pre-lens BUT or other measures of tear stability on the front surface of the lens decrease overtime and tear evaporation rate increases with lens wear
  • Increased frequency with older lenses

Prevalence

  • Common

Differential Diagnosis

  • Blepharitis/ lipid layer anomaly
  • Incomplete blinking or tear film instability

Management

  • Rewetting drops to maintain hydration of the front lens surface and/ or blinking exercises
  • Refit with daily disposables or GP lenses
  • Change to a preservative free solution
Change lens Consider SiHy lenses Consider refit to daily disposable replacement lens Consider GP lenses Change solution Review wearing schedule Counsel patient on lens care Review Consider rewetting drops

Alcon Vision Care is uniquely poised to serve every contact lens wearer by addressing the full life cycle of their needs.