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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

621
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...
621

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Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo
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Peripapillary Intrachoroidal Cavitation.

Adèle Ehongo1, Noélie Bacq1

  • 1Department of Ophthalmology, Hôpital Erasme, Route de Lennik 808, 1070 Bruxelles, Belgium.

Journal of Clinical Medicine
|July 29, 2023
PubMed
Summary
This summary is machine-generated.

Peripapillary intrachoroidal cavitation (PICC) is a rare myopic eye condition. New research suggests optic nerve sheath traction may cause PICC, impacting vision and potentially mimicking glaucoma.

Keywords:
biomechanicsborder tissuegamma peripapillary atrophymyopiaoptic nerve sheathsperipapillary intrachoroidal cavitationperipapillary staphyloma

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Biomechanics

Background:

  • Peripapillary intrachoroidal cavitation (PICC) is a lesion associated with myopia.
  • Its exact cause and clinical significance remain unclear.
  • PICC can cause visual field defects, mimicking glaucoma and leading to diagnostic challenges.

Purpose of the Study:

  • To provide a comprehensive overview of peripapillary intrachoroidal cavitation (PICC).
  • To focus on optical coherence tomography (OCT) findings, pathophysiology, and future perspectives.
  • To explore the role of optic nerve biomechanics in PICC development.

Main Methods:

  • Review of current literature on PICC.
  • Analysis of optical coherence tomography (OCT) imaging.
  • Discussion of proposed pathophysiological mechanisms, including optic nerve biomechanics.

Main Results:

  • PICC is characterized by specific OCT features.
  • Optic nerve sheath traction is a recently proposed mechanism for PICC.
  • PICC can lead to diagnostic uncertainty and potential complications like macular detachment.

Conclusions:

  • A deeper understanding of PICC is needed, particularly its pathogenesis.
  • OCT imaging is crucial for diagnosing and understanding PICC.
  • Further research into the biomechanics of the optic nerve may elucidate PICC development.