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Eye Movements and the Intraorbital Subarachnoid Space: Potential Contribution of Altered Cerebrospinal Fluid Pumping in Optic Neuropathies.
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, University of California, Los Angeles, California, United States.
Purpose: The optic nerve (ON) is mechanically perturbed by eye movements that shift cerebrospinal fluid (CSF) within its surrounding dural sheath. This study compared changes in ON length and CSF volume within the intraorbital ON sheath caused by eye movements in healthy subjects and patients with optic neuropathies.
Methods: Twenty-one healthy controls were compared with 11 patients having primary open angle glaucoma (POAG) at normal intraocular pressure (IOP), and 11 with chronic non-arteritic anterior ischemic optic neuropathy (NA-AION).
Retinal capillary hemangioma in a pthisical globe: Late sequelae in a case of Von Hippel-Lindau (VHL) disease presenting with endophthalmitis.
Int J Surg Case Rep
January 2025
Department of Ophthalmology, College of Medicine, King Saud University, Riyadh, Saudi Arabia; King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia; Department of Pathology and Laboratory Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia. Electronic address:
Introduction: Retinal capillary hemangioma (RCH) is a benign vascular hamartoma that can occur sporadically or as a manifestation of Von Hippel-Lindau (VHL) disease. If left untreated, it results in adverse ocular complications depending on its location and eventual visual loss.
Case Presentation: We present a 50-year-old man who was a known case of VHL with history of left eye vision loss in the left eye at the age of 30 years.
[Thrombosis of the superior ophthalmic vein-A case series and review of the literature].
Ophthalmologie
November 2024
Zentrum für Augenheilkunde, Universität zu Köln, 50924, Köln, Deutschland.
Background: Thrombosis of the superior ophthalmic vein (SOV) is rare. It can present with heterogeneous symptoms and requires a careful diagnostic work-up.
Methods: This article reports on a case series of three female patients with thrombosis of the SOV and performed an extensive review of the existing literature in PubMed.
Inadvertent Orbital Mitomycin C Injection as a Cause of Ptosis and Ophthalmoplegia from Orbital Necrosis.
Ophthalmic Plast Reconstr Surg
January 2025
Department of Ophthalmology, Mount Sinai Hospital.
Mitomycin C is an alkylating agent with the ability to suppress fibroblast proliferation and activity, making it a powerful antifibrotic. It has therefore become popular in glaucoma filtering surgeries, used both intraoperatively during bleb formation and postoperatively as an adjunct to bleb needling. This report presents a rare but serious risk of bleb needling with Mitomycin C at the slit lamp, where inadvertent movement of the patient resulted in an orbital injection.
View Article and Find Full Text PDFIntraocular osseous metaplasia in an older red-tailed hawk (Buteo jamaicensis) 24 years following traumatic injury to the globe.
Vet Ophthalmol
September 2024
Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.
An approximately 26-year-old, suspected female, red-tailed hawk (Buteo jamaicensis) was presented with a history of chronic ocular changes of the left eye likely secondary to blunt trauma resulting in blindness and phthisis bulbi. Ophthalmic evaluation of OS revealed a large intraocular mass, 3+ aqueous flare indicating anterior uveitis, and severely decreased intraocular pressure measuring 5 mmHg. Ocular ultrasound revealed an abnormal, spherical shaped and hyperechoic lens, as well as hyperechoic material or a mass lesion in the posterior segment.
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