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Related Experiment Videos

Normal endothelial cell density range in childhood.

P Nucci1, R Brancato, M B Mets

  • 1Department of Ophthalmology, University of Milan, Italy.

Archives of Ophthalmology (Chicago, Ill. : 1960)
|February 1, 1990
PubMed
Summary
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Specular microscopy reveals a decrease in corneal endothelial cell density in children aged 5-14. Cell density declines rapidly up to age 10, establishing age-specific normal ranges for this vital eye tissue.

Area of Science:

  • Ophthalmology
  • Corneal Science
  • Pediatric Eye Health

Background:

  • The corneal endothelium is crucial for maintaining corneal clarity and function.
  • Understanding age-related changes in endothelial cell density is important for diagnosing and managing various ocular conditions.

Purpose of the Study:

  • To quantitatively assess the normal range of corneal endothelial cell density in children aged 5 to 14 years.
  • To analyze the age-related changes in endothelial cell density within this pediatric population.

Main Methods:

  • Specular microscopy was performed on 214 clinically normal eyes of children aged 5 to 14 years.
  • Quantitative analysis was used to determine the mean endothelial cell count per square millimeter for each age group.

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Main Results:

  • A regular mosaic of hexagonal endothelial cells was observed in all subjects.
  • Mean endothelial cell density decreased with age, ranging from 3591 cells/mm² at age 5 to 2697 cells/mm² in older subjects.
  • A rapid decrease in cell density was noted up to age 10, with an estimated 13% decrease between ages 5-7 and an additional 12% by age 10.

Conclusions:

  • Corneal endothelial cell density naturally decreases with age in children.
  • The study establishes age-specific normal ranges for pediatric endothelial cell counts.
  • These findings are valuable for pediatric ophthalmology and the early detection of potential corneal diseases.