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Establishing Normative Data for Pediatric Corneal Sensitivity

Pelin Akçay1, Pelin Kiyat2, Timur Köse1

  • 1Departments of Ophthalmology and Biostatistics, Ege University, Izmir, Turkey

Journal of Pediatric Ophthalmology and Strabismus
|April 24, 2025
PubMed
Summary
This summary is machine-generated.

This study establishes normal corneal sensitivity values for children aged 5-18 using the Cochet-Bonnet esthesiometer. Findings show sensitivity decreases with age but is consistent across corneal regions and genders.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Pediatric Medicine

Background:

  • Corneal sensitivity data is established in adults, aiding in diagnosing conditions like diabetic neuropathy.
  • Normative data for corneal sensitivity in pediatric populations is currently lacking in existing literature.

Purpose of the Study:

  • To define normative data for corneal sensitivity in the pediatric age group.
  • To establish a baseline for pediatric corneal sensitivity using the Cochet-Bonnet esthesiometer.

Main Methods:

  • 122 children (aged 5-18) without ocular pathologies or prior ocular surgery underwent routine ophthalmological examinations.
  • Corneal sensitivity was measured using a Cochet-Bonnet esthesiometer across five corneal regions: central, superior, inferior, nasal, and temporal.
  • Exclusion criteria included ocular pathologies, previous ocular surgery, contact lens use, and systemic diseases like diabetes mellitus.

Main Results:

  • The mean corneal sensitivity values across all measured regions ranged from 5.16 ± 0.47 cm to 5.19 ± 0.48 cm.
  • A negative correlation was observed between increasing age and corneal sensitivity in pediatric participants.
  • No statistically significant differences in corneal sensitivity were found between different corneal quadrants or between genders (P > .05).

Conclusions:

  • This study pioneers the establishment of normative corneal sensitivity data for the pediatric age group.
  • The findings contribute valuable diagnostic information for pediatric eye care and neurological assessments.
  • The Cochet-Bonnet esthesiometer is confirmed as a reliable tool for assessing pediatric corneal sensitivity.