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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Related Experiment Video

Updated: Jul 17, 2025

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
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Intraocular Pressure and Myopia Progression, Axial Length Elongation in Rural Chinese Children.

Jue Lin1, Balamurali Vasudevan2, Tie Ying Gao3

  • 1National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou, Zhejiang, China.

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|August 28, 2023
PubMed
Summary
This summary is machine-generated.

Intraocular pressure (IOP) was slightly higher in myopic children, but not clinically significant. This study found no association between IOP and myopia progression or axial length changes in rural Chinese children.

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Area of Science:

  • Ophthalmology
  • Pediatric Ophthalmology
  • Myopia Research

Background:

  • Myopia progression is a significant concern in pediatric eye care.
  • Intraocular pressure (IOP) is a known risk factor for glaucoma and has been investigated for its role in myopia.
  • Understanding factors influencing myopia progression is crucial for developing effective interventions.

Purpose of the Study:

  • To investigate the association between intraocular pressure (IOP) and myopia progression.
  • To examine the relationship between IOP and axial length elongation in rural Chinese children.

Main Methods:

  • A cohort of 598 children (aged 6-17) from the Handan Offspring Myopia Study with a 3.5-year follow-up.
  • Ocular examinations included cycloplegic autorefraction, IOP measurement, and axial length assessment.
  • Multivariate regression analysis was used to assess associations.

Main Results:

  • Children with myopia exhibited slightly higher baseline IOP compared to emmetropic and hyperopic children (P = .002).
  • No significant differences in IOP were observed between eyes with or without newly developed myopia, faster progression, or axial length elongation.
  • Baseline refractive error and axial length were not associated with baseline IOP.

Conclusions:

  • While myopic eyes showed marginally higher IOP, the difference was not clinically significant.
  • Intraocular pressure was not found to be associated with myopia progression or axial length elongation in this cohort.
  • IOP may not be a primary reference factor for intervening in myopia progression in this population.