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Related Experiment Videos

Dry eyes. Eye series. 3.

Chris Hodge1, Gerard Sutton

  • 1Eye Institute, Chatswood, New South Wales.

Australian Family Physician
|May 9, 2003
PubMed
Summary

Hot weather exacerbates dry eye symptoms in older adults. This common condition, characterized by a gritty sensation, worsens throughout the day and over several years.

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Area of Science:

  • Ophthalmology
  • Geriatric Medicine
  • Environmental Health

Background:

  • Dry eye disease is a prevalent condition affecting millions worldwide, particularly older adults.
  • Environmental factors, such as heat and humidity, are known to influence ocular surface health.
  • Aging is associated with physiological changes that can increase susceptibility to dry eye.

Observation:

  • A 68-year-old female patient reported a "dry, gritty feeling" in her eyes during a routine check-up.
  • The sensation was more pronounced towards the end of the day.
  • This symptom had gradually worsened over the preceding few years, coinciding with recent hot weather.

Findings:

  • The patient's subjective report suggests a correlation between high ambient temperatures and the exacerbation of dry eye symptoms.
  • The diurnal pattern (worse at end of day) and progressive nature of symptoms indicate a chronic underlying condition potentially triggered or worsened by environmental heat.
  • Further investigation is warranted to quantify the impact of heat on ocular surface hydration and comfort.

Implications:

  • Environmental heat may be a significant, yet often overlooked, trigger or aggravating factor for dry eye disease in susceptible individuals.
  • Clinicians should consider environmental exposures, such as heat, when evaluating patients presenting with dry eye symptoms, especially in older populations.
  • Public health initiatives may need to address the impact of climate change and extreme weather events on eye health.

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