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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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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Related Experiment Video

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A Surgical Approach for Optic Nerve Crush in a Rabbit Model
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[Anterior clinoid process mucocele causing optic nerve compression].

Elad Moisseiev1, Michael Regenbogen, Yoram Segev

  • 1Department of Ophthalmology, Tel Aviv Medical Center. elad_moi@netvision.net.il

Harefuah
|March 22, 2013
PubMed
Summary

Anterior clinoid process mucoceles are rare collections of mucus in the skull base. Surgical decompression can relieve visual loss and eye motility issues caused by this condition.

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Area of Science:

  • Skull Base Surgery
  • Ophthalmology
  • Rhinology

Background:

  • Mucoceles are typically found in paranasal sinuses.
  • The anterior clinoid process is an air space within the skull base.
  • Pneumatization of the anterior clinoid process is a known anatomical variation.

Observation:

  • A rare case of anterior clinoid process mucocele is presented.
  • The patient experienced visual loss and limited eye motility.
  • Symptoms were related to compression of the orbital apex and optic nerve.

Findings:

  • Anterior clinoid process mucoceles can cause significant neurological and ophthalmological deficits.
  • Surgical intervention is effective for decompression and symptom relief.
  • Literature review confirms the rarity and clinical presentation of this condition.

Implications:

  • Highlights the importance of considering rare skull base pathologies in ophthalmology.
  • Emphasizes the role of advanced imaging and surgical techniques for diagnosis and treatment.
  • Contributes to the understanding of sinonasal and skull base mucocele variations.