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Summary

The eyelid distraction test (DT) measures palpebral laxity. Healthy eyelids show a mean DT of 6.96 mm, varying by age and sex, while ectropion cases exhibit significantly higher measurements.

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Area of Science:

  • Ophthalmology
  • Oculoplastics
  • Gerontology

Background:

  • Palpebral laxity is a key indicator in ophthalmologic conditions.
  • The distraction test (DT) is a common clinical method for assessing eyelid laxity.
  • Establishing normal DT values is crucial for accurate diagnosis, yet consensus is lacking.

Purpose of the Study:

  • To determine the normal range of the distraction test (DT) in healthy individuals.
  • To compare DT measurements between healthy eyelids and those affected by senile ectropion.
  • To analyze the influence of age and sex on DT values in a healthy population.

Main Methods:

  • The distraction test (DT) was performed on the lower eyelids of 200 healthy individuals.
  • DT measurements were also taken from 30 individuals diagnosed with lower eyelid ectropion.
  • Data were analyzed for age and sex variations in the control group and compared to the ectropion group.

Main Results:

  • The mean DT in healthy individuals was 6.96 mm, significantly lower than the 9.48 mm found in the ectropion group (p < 0.001).
  • In healthy subjects, mean DT was 6.70 mm for females and 7.22 mm for males, with variations noted in younger age groups.
  • Even when age-matched, individuals with ectropion showed higher DT values compared to healthy controls (7.23 mm vs. 9.48 mm, p < 0.001).

Conclusions:

  • The normal mean distraction test (DT) value for palpebral laxity is 6.96 mm, but it is influenced by age and sex.
  • Senile eyelid ectropion is associated with significantly increased distraction test measurements.
  • This study provides normative data for the distraction test, highlighting its variability and diagnostic utility in differentiating ectropion.