Status:

UNKNOWN

Effect of Peripapillary Atrophy to Diagnose Glaucoma in High Myopia

Lead Sponsor:

Zhongshan Ophthalmic Center, Sun Yat-sen University

Conditions:

Myopia

Refractive Errors

Eligibility:

All Genders

18+ years

Brief Summary

This study intends to analyze the characteristics between peripapillary retinal nerve fiber layer thickness and peripapillary area in high myopia with or without glaucoma

Detailed Description

Glaucoma is the leading cause of irreversible blindness in the world. Myopia is a risk factor for glaucoma. With the rising prevalence of both myopia and glaucoma in an ageing population, the occurren...

Eligibility Criteria

Inclusion

  • Age ≥18 years.
  • Equivalent spherical ≤-6D or axial length ≥26.5mm.
  • High myopia with primary open angle glaucoma, such as anterior chamber angle is opening, optic rim defect, RNFL loss, etc.
  • The peripapillary region can be accurately defined Based on OCT.

Exclusion

  • (1) Exclusion criteria for high myopia group:
  • History of glaucoma and elevated intraocular pressure.
  • History of uveitis or intraocular surgery.
  • History of other retinal optic nerve or related systemic diseases.
  • The examination results are unreliable, such as poor image quality.
  • (2) Exclusion criteria for high myopia with primary open angle glaucoma group:
  • Others nervous system diseases, such as visual field loss or optic nerve damage.
  • Others non-glaucomatous ocular pathologies may affect the visual field or retinal nerve fiber layer status, such as retinal diseases, uveitis, or ocular surgery history.

Key Trial Info

Start Date :

August 1 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

January 31 2025

Estimated Enrollment :

120 Patients enrolled

Trial Details

Trial ID

NCT05964634

Start Date

August 1 2023

End Date

January 31 2025

Last Update

July 28 2023

Active Locations (1)

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Zhongshan Ophthalmic Center, Sun Yat-sen University

Guangzhou, Guangdong, China, 510060