Retinal thickness in the offspring of diabetic pregnancies

Yasser M Tariq1, Chameen Samarawickrama, Haitao Li

  • 1Centre for Vision Research, Department of Ophthalmology and Westmead Millennium Institute, University of Sydney, Sydney, Australia.

Insights

Maternal diabetes during pregnancy is linked to thinner macular thickness in children. This study found specific retinal changes in offspring, suggesting a potential impact on retinal development.

Area of Science:

  • Ophthalmology
  • Developmental Biology
  • Endocrinology

Background:

  • Maternal diabetes mellitus can affect fetal development.
  • Retinal structure and function may be influenced by prenatal environmental factors.

Purpose of the Study:

  • To compare macular and peripapillary retinal nerve fiber layer (RNFL) thickness in children born to mothers with and without diabetes.
  • Investigate the impact of maternal diabetes on offspring retinal morphology.

Main Methods:

  • A cross-sectional study involving 2367 children (age 11.1–14.4 years) from the Sydney Myopia Study.
  • Ocular examinations included visual acuity, refraction, axial length, and optical coherence tomography (OCT) using Stratus OCT.
  • Detailed questionnaires collected data on birth parameters and medical history.

Main Results:

  • Children from diabetic pregnancies (n=57) showed significantly thinner inner and outer macular thickness and macular volume compared to controls.
  • No significant differences were observed in central macular thickness, foveal minimum thickness, or RNFL parameters between the groups.
  • Adequate-quality OCT scans were obtained from 1741 (RNFL) and 1687 (macular) children.

Conclusions:

  • Maternal diabetes during pregnancy is associated with alterations in the offspring's retinal morphology.
  • Thinning of pericentral macular parameters was observed in children of diabetic pregnancies.
  • These findings suggest that maternal diabetes may impact retinal development in children.
Abstract

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