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Related Experiment Videos

Ocular surface and environmental changes

C A Paschides1, M Stefaniotou, J Papageorgiou

  • 1University Eye Clinic of Ioannina, University of Ioannina, Greece.

Acta Ophthalmologica Scandinavica
|April 16, 1998
PubMed
Summary

Environmental factors significantly impact the ocular surface. Climate conditions, more than air pollution, affect tear film stability and tear production in individuals.

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Area of Science:

  • Ophthalmology
  • Environmental Science
  • Physiology

Background:

  • The ocular surface and precorneal tear film are crucial for maintaining visual function.
  • Environmental factors, including climate and air pollution, may influence ocular health.

Purpose of the Study:

  • To investigate the influence of environmental factors on the ocular surface and precorneal tear film.
  • To determine whether climate or atmospheric pollution has a greater impact on ocular surface parameters.

Main Methods:

  • A study was conducted on three groups of individuals from different regions in Greece with varying climates and pollution levels.
  • Ocular surface health was assessed using Break-up time (BUT), Schirmer-1 test (SIT), and Rose Bengal staining (RBS).
  • Data from these tests were correlated with climatic conditions (temperature, humidity) and atmospheric pollution levels.

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Main Results:

  • The Schirmer-1 test and Break-up time were found to be significantly influenced by climatic conditions.
  • Atmospheric pollution did not show a significant influence on Schirmer-1 test or Break-up time.
  • Rose Bengal staining results were not significantly affected by either climate or atmospheric pollution.

Conclusions:

  • Climatic conditions play a more substantial role in affecting the precorneal tear film than atmospheric pollution.
  • These findings highlight the importance of environmental climate in maintaining ocular surface health.