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Related Experiment Videos

Tilted optic discs: The Beijing Eye Study.

Q S You1, L Xu, J B Jonas

  • 1Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China.

Eye (London, England)
|April 5, 2008
PubMed
Summary
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Tilted optic discs are found in about 0.4% of adult Chinese eyes and are linked to myopia, astigmatism, and vision problems. This study highlights their prevalence and associated ocular conditions.

Area of Science:

  • Ophthalmology
  • Optometry
  • Public Health

Background:

  • Tilted optic discs are a congenital anomaly.
  • Their prevalence and associations require further investigation in diverse populations.

Purpose of the Study:

  • To determine the prevalence of tilted optic discs in adult Chinese.
  • To investigate associations between tilted optic discs and ocular/general parameters.

Main Methods:

  • The Beijing Eye Study included 4324 participants aged 40+ years with readable fundus photographs.
  • Tilted optic discs were defined as small, oblique, oval discs without pathology in non-high myopic eyes.

Main Results:

  • Tilted optic discs were detected in 0.36% of eyes.

Related Experiment Videos

  • Associations were found with myopia, astigmatism, reduced visual acuity, and visual field defects.

    • Conclusions:

    • Tilted optic discs are present in approximately 4 in 1000 adult Chinese eyes.
    • They are associated with moderate myopia, astigmatism, decreased visual acuity, and visual field defects.