A male infant was born with a perforated left cornea associated with bilateral central corneal defects caused by mesodermal dysgenesis. Smears and culture of the perforated cornea revealed no infectious agents, and there was no evidence of systemic infection in the child or mother at birth. Histopathologic material excised during keratoplasty was compatible with persistent hyperplastic vitreous, possibly causing a forward displacement of the lens/iris diaphragm with pressure on the corneal endothelium and possible dissolution of the cornea leading to perforation. The relationship of increased intraocular pressure in this case was unknown.
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http://dx.doi.org/10.1016/0002-9394(79)90756-6 | DOI Listing |
Exp Eye Res
December 2024
Anatomy and Embryology Department, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
One of the main causes of corneal blindness is corneal alkali burn, which can also result in serious side effects such as limbal stem cell deficit, corneal perforation, and permanent epithelial abnormalities. This study set out to investigate the therapeutic potential of ADMSCs and BMMSCs for the reconstruction of the corneal surface after chemical alkali burn. Twelve adult rabbits were divided equally into four groups.
View Article and Find Full Text PDFCornea
December 2024
Centre Hospitalier Universitaire de Caen-Normandie, Service d'Ophtalmologie, Unicaen-Universite de Caen Normandie, Caen, France.
Introduction: Several cases of radio-induced neurotrophic keratitis had been observed after proton therapy delivering a mean corneal dose of ≥50 GyRBE. We conducted a prospective exploratory study to assess corneal sensitivity in subsequent patients undergoing proton therapy for cephalic extraocular tumors.
Material And Methods: Forty-three patients (85 eyes) treated with high-energy proton therapy were included in this prospective, single-center, observational cohort study.
Cornea
December 2024
Department of Ophthalmology, Université de Montréal, Montreal, QC, Canada.
Purpose: To report a rare case of conjunctival neuroma after a successful corneal neurotization surgery.
Methods: The clinical file and histopathology slides of this patient who underwent surgical corneal neurotization for a neurotrophic keratopathy in the right eye were reviewed.
Results: A 70-year-old man with a history of severe herpetic (varicella zoster) neurotrophic keratopathy and keratouveitis in the right eye developed a corneal perforation, which required tectonic keratoplasty (May 2020).
Medicine (Baltimore)
December 2024
Laboratory of Neurobiology, Department of Medical Biology and Genetics, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, Osijek, Croatia.
Rationale: Herpes simplex virus 1 establishes a latent infection in trigeminal ganglia. Reactivation causes cold sores, as well as viral keratitis. The purpose of this study was to report potential benefits of using active vitamin D receptor ligands (VDR-agonists) as adjunctive therapies for the treatment of infectious corneal perforations, and prevention of HSV recurrence.
View Article and Find Full Text PDFCureus
November 2024
Department of Ophthalmology and Visual Sciences, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kota Bharu, MYS.
is a more prevalent cause of corneal ulcers in developing countries than in developed countries. We report five cases of corneal ulcers attributed to this organism with a literature review on bacterial cornea ulcers. Among the patients, four had underlying systemic illnesses while one was otherwise healthy.
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