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Stem Cell-Based Therapies for Glaucoma Treatment: A Review Bridging the Gap in Veterinary Patients.
Int J Mol Sci
December 2024
Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto (UP), Praça Gomes Teixeira, Apartado 55142, 4051-401 Porto, Portugal.
Retinal diseases are characterized by progressive damage to retinal cells, leading to irreversible vision loss. Among these, glaucoma stands out as a multifactorial neurodegenerative disease involving elevated intraocular pressure, retinal ganglion cell apoptosis, and optic nerve damage, ultimately resulting in blindness in both humans and dogs. Stem cell-based therapies have emerged as a promising therapeutic option for such conditions due to their regenerative and neuroprotective potential.
View Article and Find Full Text PDFAttempted ablation of an orbital cyst in a dog with 1% polidocanol using fluoroscopy and contrast cystography.
Vet Ophthalmol
January 2025
Cardiology & Cardiac Surgery, Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA.
A 4-year-old female spayed mixed-breed dog received enucleation surgery of the right eye in 2018 following the diagnosis of glaucoma. The patient was presented in 2021 for recurrent swelling of the right orbit. Ultrasound confirmed the presence of a cystic structure, and chemical ablation with 1% polidocanol (compounded, Stokes Pharmacy, Mt.
View Article and Find Full Text PDFConsensus Recommendations for Studies of Outflow Facility and Intraocular Pressure Regulation Using Ex Vivo Perfusion Approaches.
Invest Ophthalmol Vis Sci
December 2024
Department of Ophthalmology, Duke University, Durham, North Carolina, United States.
Intraocular pressure (IOP) elevation is the primary risk factor and currently the main treatable factor for progression of glaucomatous optic neuropathy. In addition to direct clinical and living animal in vivo studies, ex vivo perfusion of anterior segments and whole eyes is a key technique for studying conventional outflow function as it is responsible for IOP regulation. We present well-tested experimental details, protocols, considerations, advantages, and limitations of several ex vivo model systems for studying IOP regulation.
View Article and Find Full Text PDFQuantitative analysis of iridocorneal angle and ciliary cleft structures in canine eyes using ultrasound biomicroscopy.
Front Vet Sci
December 2024
Laboratory of Veterinary Surgery and Ophthalmology, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea.
Introduction: This study aimed to examine the relationship between the relative opening of the ICA (RO-ICA) and the structure of the ciliary cleft (CC) using Ultrasound Biomicroscopy (UBM).
Materials And Methods: Clinical data from 31 eyes of 17 dogs at the Veterinary Teaching Hospital of Chungbuk National University, Korea, were analyzed. RO-ICA was categorized as "Slightly Narrow", "Narrow", "Open", and "Wide Open", with eyes further grouped into "Narrow" (including Slightly Narrow and Narrow) and "Open" (including Open and Wide Open) for analysis.
Gender differences in canine anterior chamber dimensions: Potential implications for primary angle-closure glaucoma.
Vet Ophthalmol
December 2024
Laboratory of Veterinary Surgery and Ophthalmology, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea.
Objectives: This study aimed to explore anatomical differences in the aqueous humor (AH) outflow pathway between male and female dogs using ultrasound biomicroscopy (UBM).
Animals Studied: Clinical data were collected from 30 eyes of 30 dogs (15 males: 10 right eyes, 5 left eyes; and 15 females: 7 right eyes, 8 left eyes) treated at the Veterinary Medical Teaching Hospital of Chungbuk National University, South Korea, between August 2018 and February 2024.
Procedure: The study conducted an in-depth UBM examination, specifically observing peripheral anterior chamber depth (ACD), geometric iridocorneal angle (ICA), and angle-opening distance (AOD) alongside measurements of ciliary cleft width (CCW), length (CCL), and area (CCA), and assessed the longitudinal fibers of ciliary muscle thickness (Lf-CMT) and the longitudinal and radial fibers of ciliary muscle thickness (LRf-CMT) for gender-based differences.
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