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Related Experiment Video

Updated: Jun 7, 2025

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model
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[Risk factors associated with myopic maculopathy in acquired myopia].

O V Kolenko1,2,3, L V Bushnina1, I E Pashentsev1

  • 1Khabarovsk branch of the S.N. Fedorov National Medical Research Centre "MNTK "Eye Microsurgery", Khabarovsk, Russia.

Vestnik Oftalmologii
|November 21, 2024
PubMed
Summary

This study identified key factors contributing to myopic maculopathy (MM) in adults with acquired myopia. Corneal biomechanics, staphyloma characteristics, and choroidal thickness are strongly linked to MM development.

Keywords:
corneal thicknessmyopic maculopathyrisk factorsscleral staphyloma

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Area of Science:

  • Ophthalmology
  • Optometry
  • Biomedical Engineering

Context:

  • Myopic maculopathy (MM) is a leading cause of vision impairment in individuals with high myopia.
  • Understanding the etiological factors of MM is crucial for developing effective prevention and treatment strategies.
  • Acquired myopia presents unique challenges in assessing MM risk factors compared to congenital myopia.

Purpose:

  • To identify and analyze the specific factors associated with the development of myopic maculopathy (MM) in patients diagnosed with acquired myopia.
  • To investigate the role of ocular structural and biomechanical properties in the pathogenesis of MM.
  • To establish a comprehensive risk profile for MM in a cohort of adult myopic patients.

Summary:

  • The study analyzed 135 patients with acquired myopia (age >30, axial length ≥26 mm), assessing MM presence using OCT-A and ultrasound.
  • Risk factors evaluated included age, axial length (AL), spherical equivalent (SE), staphyloma characteristics, choroidal and corneal thickness, and corneal biomechanics.
  • Significant associations with MM were found for age, AL, SE, extra-macular changes, staphyloma presence/size, choroidal thickness, corneal stromal thickness, and various corneal biomechanical parameters (DA, radius HC, PD).

Impact:

  • Identifies specific corneal biomechanical properties (e.g., corneal peak distance) and ocular structural metrics (staphyloma depth, nasal perifoveal choroidal thickness) as the strongest predictors of MM.
  • Provides valuable insights for ophthalmologists and optometrists in assessing MM risk and potentially guiding interventions.
  • Highlights the importance of a multi-faceted approach, considering both structural and biomechanical aspects of the eye in myopia management.