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Related Experiment Videos

Corneal surface temperature decreases with age.

P B Morgan1, M P Soh, N Efron

  • 1Eurolens Research, Department of Optometry and Vision Sciences, UMIST, Manchester.

Contact Lens & Anterior Eye : the Journal of the British Contact Lens Association
|November 24, 2005
PubMed
Summary

Ocular surface temperature, measured using infrared thermography, decreases with age. This age-related decline in eye temperature accelerates after middle age, impacting diagnostic accuracy.

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Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Medical Diagnostics

Background:

  • Infrared thermography is crucial for diagnosing ocular and systemic diseases.
  • Accurate ocular temperature measurement requires accounting for influencing factors like ambient temperature, time of day, and subject age.
  • Understanding age-related changes in ocular surface temperature is vital for reliable diagnostic interpretation.

Purpose of the Study:

  • To investigate the effect of subject age on ocular surface temperature measurements.
  • To quantify the relationship between age and ocular temperature using infrared detection.
  • To assess if the rate of temperature change with age varies across the lifespan.

Main Methods:

  • Utilized a modern, wide-field, color-coded infrared detector for temperature measurements.

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  • Collected ocular surface temperature data across a range of adult ages.
  • Analyzed the correlation between subject age and recorded ocular temperatures.

    • Main Results:

    • Demonstrated a consistent decrease in ocular surface temperature with advancing age.
    • Quantified the average rate of temperature decrease as -0.010 degrees C per year.
    • Observed an increased rate of ocular temperature decline after middle age.

    Conclusions:

    • Subject age is a significant factor influencing ocular surface temperature measurements.
    • The established rate of ocular temperature decrease with age provides a baseline for diagnostic adjustments.
    • The accelerated decline post-middle age warrants specific consideration in clinical applications involving older individuals.