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Genetic Influence on Choroidal Volume.

Sungsoon Hwang1, Moonil Kang2, Don-Il Ham3

  • 1Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea; Department of Clinical Research Design and Evaluation, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Republic of Korea.

American Journal of Ophthalmology
|December 19, 2020
PubMed
Summary
This summary is machine-generated.

Genetic factors significantly influence macular choroidal volume. This study found high heritability for choroidal volume, indicating a strong genetic basis for this eye structure.

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Area of Science:

  • Ophthalmology
  • Genetics
  • Human Anatomy

Background:

  • Macular choroidal volume is a key parameter in retinal health.
  • Understanding the factors influencing choroidal volume is crucial for diagnosing and managing eye diseases.

Purpose of the Study:

  • To quantify the genetic heritability of macular choroidal volume.
  • To investigate the influence of demographic and clinical factors on choroidal volume.

Main Methods:

  • Cross-sectional study of 353 Korean adults from 78 households.
  • Macular choroidal volume measured using spectral-domain optical coherence tomography (SD-OCT).
  • Heritability analysis performed using regression models, adjusting for covariates and family structure.

Main Results:

  • Younger age, male sex, and shorter axial length were associated with greater choroidal volume.
  • Total macular choroidal volume exhibited a heritability of 0.76 ± 0.06.
  • Heritability estimates for subfields ranged from 0.55 to 0.77.

Conclusions:

  • Macular choroidal volume is a highly heritable trait.
  • Genetic factors play a substantial role in determining individual differences in choroidal volume.