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Related Experiment Video

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Retinal and Choroidal Thickness Changes in Populations with Helicobacter pylori Infection by Swept-Source Optical Coherence Tomography
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Choroidal thickness does not predict visual acuity in young high myopes.

Preeti Gupta1,2, Carol Y Cheung1,2,3, Seang-Mei Saw1,2,3

  • 1Singapore Eye Research Institute and Singapore National Eye Centre, Singapore, Singapore.

Acta Ophthalmologica
|May 20, 2016
PubMed
Summary
This summary is machine-generated.

Extremely high myopia is linked to thinner choroids, but choroidal thickness alone does not predict visual acuity. Other myopia-related factors likely cause vision loss in these young individuals.

Keywords:
choroidal thicknessenhanced depth imaging optical coherence tomographyhigh myopesvisual acuity

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Area of Science:

  • Ophthalmology
  • Retinal Imaging
  • Myopia Research

Background:

  • Extremely high myopia is a significant risk factor for vision impairment.
  • Choroidal thickness (CT) is a key parameter in ocular health, potentially affected by myopia.
  • Understanding factors influencing visual acuity (VA) in high myopia is crucial for patient management.

Purpose of the Study:

  • To investigate the relationship between choroidal thickness (CT) and visual acuity (VA) in young individuals with extremely high myopia.
  • To determine if CT is an independent predictor of VA in this population.

Main Methods:

  • A case-control study involving young men with extremely high myopia (SE -10D or worse) and emmetropic controls.
  • Enhanced depth imaging (EDI) spectral-domain optical coherence tomography (SD-OCT) was used for retinal and choroidal imaging.
  • Statistical analyses included univariate and multiple linear regression to assess the association between CT and VA.

Main Results:

  • The study included 105 extremely high myopic subjects and 50 emmetropic controls.
  • Univariate analysis showed a significant association between subfoveal CT and best-corrected visual acuity (BCVA).
  • However, multiple regression analysis revealed that subfoveal CT was not an independent predictor of BCVA after adjusting for refractive error and pathological myopia lesions.

Conclusions:

  • Extremely high myopic eyes exhibit thinner choroids compared to emmetropic eyes.
  • Choroidal thickness is not an independent predictor of visual acuity in young individuals with extremely high myopia.
  • Other factors associated with high myopia are likely responsible for reduced visual acuity.