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Contact lenses in dry eyes
Transactions of the Ophthalmological Societies of the United Kingdom
|January 1, 1985
Summary
Identifying reduced tear production for contact lens intolerance is challenging. Contact lenses can manage dry eye but may increase tear evaporation, requiring careful consideration.
Area of Science:
- Ophthalmology
- Optometry
Background:
- Contact lens intolerance is a growing concern.
- Dry eye disease affects a significant population.
- The role of marginal tear production reduction is debated.
Purpose of the Study:
- To evaluate the role of asymptomatic, marginal reduction in tear production in contact lens intolerance.
- To assess the diagnostic challenges in identifying such marginal tear deficiency.
- To explore the therapeutic applications of contact lenses in managing dry eye conditions.
Main Methods:
- Literature review and synthesis of current knowledge.
- Analysis of diagnostic limitations for subtle tear underproduction.
- Examination of contact lens properties and their interaction with the ocular surface.
Main Results:
- Diagnosing marginal tear underproduction is difficult with current methods.
- Contact lenses can be therapeutic for dry eyes, even with corneal changes.
- All soft contact lenses lose water content in the eye, increasing tear evaporation.
- Lower water content lenses dehydrate slower than higher water content lenses.
- Silicone lenses may be necessary for severely dry eyes to prevent dehydration.
Conclusions:
- Contact lens fitting in dry eye patients requires careful assessment and monitoring.
- Therapeutic contact lens use in dry eye necessitates managing dehydration risks.
- The benefits of contact lenses in dry eye must be weighed against potential complications.