Related Experiment Video
Updated: May 29, 2026
04:06
Minimally Invasive Surgical Decompression of Occipital Nerves
Published on: September 13, 2024
Endoscopic optic canal decompression for compressive optic neuropathy.
Doo-Sik Kong1, Hyung Jin Shin, Hyo Yeol Kim
1Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 135-710 Seoul, Republic of Korea. kds026@skku.edu
Summary
Endoscopic optic canal decompression effectively treats compressive optic neuropathy from various causes. This minimally invasive approach safely improves vision and visual fields in most patients.
Area of Science:
- Neurosurgery
- Ophthalmology
- Endoscopic Surgery
Background:
- Compressive optic neuropathy is a rare condition often caused by trauma or non-traumatic etiologies.
- Endoscopic techniques offer an improved surgical approach for optic nerve decompression.
Purpose of the Study:
- To define the endoscopic anatomy of the orbital apex.
- To identify optimal targets for endoscopic optic nerve decompression.
Main Methods:
- Endoscopic endonasal decompression of the optic nerve was performed on five patients.
- Patients had conditions including traumatic optic neuropathies, fibrous dysplasias, and chordoma.
- Surgical focus was on removing bony structures compressing the optic nerve.
Main Results:
- All compressive lesions were effectively removed via the endoscopic endonasal route.
- Three patients experienced significant improvement in visual acuity and visual fields.
- One patient showed improved visual fields only, and another improved visual acuity only. No operative complications occurred.
Conclusions:
- Endoscopic optic canal decompression is a safe and efficient minimally invasive treatment for compressive optic neuropathy.
- Adequate decompression requires addressing the roof and medial wall of the intracanalicular optic nerve portion.
Related Concept Videos
01:27Open Angle Glaucoma: Treatment
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.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
01:28Angle Closure Glaucoma: Treatment
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...
01:25Glaucoma: Overview
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...