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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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Optical Coherence Tomography: Imaging Mouse Retinal Ganglion Cells In Vivo
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Clinical and Structural Parameters in Autosomal Dominant Optic Atrophy Patients: A Cross-Sectional Study Using

Anna Camós-Carreras1, Marc Figueras-Roca, Salut Albà-Arbalat

  • 1Ophthalmology Department (AC-C, MF-R, SA-A, RA, BS-D), Seu Maternitat, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain; Faculty of Medicine and Health Sciences (AC-C, SA-A, BS-D), Universitat de Barcelona, Barcelona, Spain; Fundació Per La Recerca Biomèdica-IDIBAPS (MF-R, SA-A, BS-D), Barcelona, Spain; and Ophthalmology Department (MS-G), Consorci Mar Parc de Salut de Barcelona, Barcelona, Spain.

Journal of Neuro-Ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society
|January 13, 2025
PubMed
Summary

Autosomal Dominant Optic Atrophy (ADOA) is linked to vision loss and nerve damage. Optical coherence tomography (OCT) reveals structural changes, with ganglion cell complex (GCC) showing promise as a biomarker for monitoring this hereditary optic neuropathy.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Genetics

Background:

  • Autosomal Dominant Optic Atrophy (ADOA) is a hereditary optic neuropathy causing retinal ganglion cell and optic nerve fiber loss.
  • This condition leads to progressive vision impairment.

Purpose of the Study:

  • To investigate correlations between clinical and structural parameters in ADOA patients using optical coherence tomography (OCT).
  • To identify potential clinical biomarkers for ADOA.

Main Methods:

  • A case-control study involving 27 ADOA patients and 27 healthy controls.
  • Utilized clinical examinations, OCT, and OCT angiography (OCTA).
  • Performed statistical analyses to correlate clinical and OCT parameters.

Main Results:

  • ADOA patients showed reduced central macular thickness, macular volume, ganglion cell complex (GCC), and peripapillary retinal nerve fiber layer.
  • Worsening clinical parameters correlated with increased OCT-measured damage.
  • GCC emerged as a key biomarker, and OCTA parameters correlated with visual field defects.

Conclusions:

  • Significant correlations exist between clinical and structural parameters in ADOA, underscoring OCT's role in assessing disease severity.
  • GCC measurement is a promising biomarker for ADOA monitoring.
  • OCTA may provide early biomarkers for vascular changes, aiding diagnosis and management.