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Related Experiment Videos

Normal changes in orbital volume during childhood.

Robert P Bentley1, Spyros Sgouros, Kalyan Natarajan

  • 1Department of Craniofacial Surgery and Institute of Child Health, Birmingham Children's Hospital, United Kingdom.

Journal of Neurosurgery
|May 7, 2002
PubMed
Summary
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Orbital volume in children grows linearly from 1 month to 15 years, with boys having slightly larger orbits than girls. By age 5, orbits reach 77% of their final size.

Area of Science:

  • Ophthalmology
  • Pediatric Imaging
  • Human Growth and Development

Background:

  • Accurate orbital volume measurements are crucial for diagnosing and monitoring conditions affecting pediatric orbital growth.
  • Existing models may not fully capture the dynamic changes in orbital volume throughout childhood.

Purpose of the Study:

  • To develop a normative model of orbital volume changes from 1 month to 15 years of age.
  • To provide a reference for comparative studies of orbital diseases in children.

Main Methods:

  • Magnetic resonance imaging (MRI) segmentation was used to measure orbital volumes in 67 healthy children.
  • Orbital volumes were plotted against age to establish growth curves.

Main Results:

Related Experiment Videos

  • Orbital volume increases linearly throughout childhood, with significant growth by age 5 (77% of final volume).
  • Boys generally have larger orbital volumes than girls, with a statistically significant difference in the right orbit during the first 5 years.
  • The overall increase in orbital volume is approximately 1.7-fold in boys and 1.8-fold in girls by age 15.

    • Conclusions:

    • Childhood orbital volume exhibits linear growth, reaching a substantial portion of its adult size by age 5.
    • This study provides a valuable normative dataset for assessing orbital development and identifying growth abnormalities in pediatric populations.