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Open Angle Glaucoma: Treatment01:27

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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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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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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Related Experiment Video

Updated: Aug 12, 2025

Author Spotlight: Minimally Invasive Relief for Occipital Neuralgia at the Nuchal Line
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Endoscope-navigation-assisted orbital decompression for graves' orbitopathy.

Shuo Zhang1,2, Yu Wu1,2, Yang Wang1,2

  • 1Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.

European Journal of Ophthalmology
|January 31, 2023
PubMed
Summary
This summary is machine-generated.

Endoscopic navigation (EN)-assisted orbital decompression for Graves' orbitopathy (GO) significantly improves proptosis reduction, visual acuity, and diplopia compared to non-EN methods. This advanced technique enhances surgical outcomes in GO patients.

Keywords:
endoscope-navigation-assisted surgerygraves’ orbitopathyorbital decompression

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Area of Science:

  • Ophthalmology
  • Neurosurgery
  • Medical Technology

Background:

  • Graves' orbitopathy (GO) is an autoimmune condition affecting the eye socket.
  • Orbital decompression surgery is a common treatment for severe GO to relieve intraorbital pressure and improve vision.
  • Traditional surgical methods may have limitations in precision and visualization of deep orbital structures.

Purpose of the Study:

  • To compare surgical outcomes between endoscope-navigation (EN)-assisted and non-EN-assisted orbital decompression for Graves' orbitopathy.
  • To evaluate the clinical advantages of incorporating EN in orbital decompression surgery for GO patients.

Main Methods:

  • A retrospective cohort study involving 227 orbits from 147 GO patients.
  • Patients underwent either EN-assisted (185 orbits) or non-EN-assisted (42 orbits) orbital decompression.
  • Outcomes assessed included proptosis reduction, best-corrected visual acuity (BCVA), diplopia, ocular restriction, and surgical complications.

Main Results:

  • EN-assisted decompression resulted in significantly greater proptosis reduction (0.9-1.0 mm more) at 2 years postoperatively.
  • Improvement in best-corrected visual acuity (BCVA) was observed in 78.2% of EN-assisted orbits versus 52.6% of non-EN-assisted orbits.
  • A significantly higher proportion of patients in the EN group experienced improvement in diplopia.

Conclusions:

  • Endoscopic navigation provides superior anatomical localization and visualization of deep orbital tissues during decompression surgery.
  • EN-assisted orbital decompression significantly enhances surgical outcomes for Graves' orbitopathy, including better proptosis reduction and visual recovery.