Optic Disc Drusen in Children: The Copenhagen Child Cohort 2000 Eye Study

Lasse Malmqvist, Xiao Qiang Li, Christina L. Eckmann, Anne M. Skovgaard, Else M. Olsen, Michael Larsen, Inger C. Munch, Steffen Hamann

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Background: Optic disc drusen (ODD) are seen in up to 2.4% of the general population, but the etiology and pathophysiology of the condition is still unknown. The purpose of this study was to determine the prevalence of ODD in a population-based child cohort and to determine if scleral canal diameter and fetal birth and pubertal parameters are associated with the presence of ODD. Methods: This observational, longitudinal population-based birth cohort study, with a nested case-control, included 1,406 children. Eye examinations were performed when the children were between 11 and 12 years of age. Assessment was performed of optical coherence tomography (OCT) scans from 1,304 children with gradable enhanced depth imaging scans of the optic disc. Results: ODD in one or both eyes were found in 13 (1.0 of all children. All but one of the cases were found in children with scleral canal diameter in the lowest quartile (1,182-1,399 mu m) in the nested case-control study. Children with ODD had a mean disc diameter of 1,339 mu m (interquartile range, 30 mu m), whereas it was 1,508 mu m (interquartile range, 196 mu m) in the 130 controls without ODD (P <0.001). No differences in sex, birth weight, refractive error, and Tanner stages (of puberty) were found between children with and without ODD. Conclusions: The prevalence of ODD was 1% in a large child cohort examined by OCT. ODD was found only in eyes with a narrow scleral canal, which is consistent with the hypothesis that ODD might arise as a consequence of retinal nerve fiber congestion in the scleral canal. (C) 2017 by North American Neuro-Ophthalmology Society.
Original languageEnglish
JournalJournal of Neuro-Ophthalmology
Volume38
Issue number2
Pages (from-to)140-146
ISSN1070-8022
DOIs
Publication statusPublished - Jun 2018

Keywords

  • Birth Weight
  • Child
  • Cohort Studies
  • Cross-Sectional Studies
  • Denmark/epidemiology
  • Female
  • Follow-Up Studies
  • Humans
  • Male
  • Nerve Fibers/pathology
  • Optic Disk Drusen/diagnostic imaging
  • Optic Disk/diagnostic imaging
  • Prevalence
  • Retinal Ganglion Cells/pathology
  • Sclera/pathology
  • Tomography, Optical Coherence

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