This paper deals with the experimental results of the effect of 1% dopamine on intraocular pressure, pupillary diameter and hemodynamic parameters after its local application in the rabbit eye. Our results show that locally applied dopamine caused an initial increase of intraocular pressure (IOP) (1 h), followed by its decrease that was the most pronounced 3 hours later. Mydriasis was an immediate effect of dopamine, which persisted until the end of the second hour. There were no changes in blood pressure and heart rate. Although the exact mechanism of dopamine effect on IOP is not known yet, our results point out that this is mainly due to the decrease fo aqueous humor formation.
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Horizontal Gaze Tolerance and Its Effects on Visual Sensitivity in Glaucoma.
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, Saitama Medical University, Saitama, Japan.
Purpose: This study evaluates the effect of 6° horizontal gaze tolerance on visual field mean sensitivity (MS) in patients with glaucoma using a binocular head-mounted automated perimeter, following findings of structural changes in the posterior globe from magnetic resonance imaging and optical coherence tomography.
Methods: In this cross-sectional study, a total of 161 eyes (85 primary open-angle glaucoma [POAG] and 76 healthy) from 117 participants were included. Logistic regression and 1:1 matched analysis assessed the propensity score for glaucoma and healthy eyes, considering age, sex, and axial length as confounders.
Artificial Intelligence in Predicting Ocular Hypertension After Descemet Membrane Endothelial Keratoplasty.
Invest Ophthalmol Vis Sci
January 2025
Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.
Purpose: Descemet membrane endothelial keratoplasty (DMEK) has emerged as a novel approach in corneal transplantation over the past two decades. This study aims to identify predisposing risk factors for post-DMEK ocular hypertension (OHT) and develop a preoperative predictive model for post-DMEK OHT.
Methods: Patients who underwent DMEK at Gangnam Severance Hospital between 2017 and 2024 were included in the study.
Biomimetic Air-Lifted Organ Culture System with a Protective Coverage Membrane for Full-Thickness Corneal Preservation.
ACS Biomater Sci Eng
January 2025
Shenzhen Key Laboratory of Smart Healthcare Engineering, Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
Effective storage and utilization of limited donor corneal resources are in high demand to alleviate the shortage of donor corneal tissue. Here, we designed a static air-lifted organ culture system equipped with a protective coverage membrane, namely, an air-lifted OC-P system, to provide a biomimetic physiological environment for full-thickness corneal preservation. The air-lifted OC-P system features a unique collagen-based protective coverage membrane that can offer a moist, oxygen-rich environment for corneal epithelium, produce an appropriate intraocular pressure onto the cornea by gravity, and facilitate the maintenance of the organ culture medium level for nutrient supply during corneal preservation.
View Article and Find Full Text PDFPatient Perspectives on Home Tonometer Usage for Glaucoma.
Clin Ophthalmol
January 2025
Department of Ophthalmology and Visual Sciences, W. K. Kellogg Eye Center, University of Michigan Medical School, Ann Arbor, MI, USA.
Purpose: To understand patient experiences using the iCare HOME tonometer through assessing ease of use, device usage patterns, proficiency, and patient comments.
Methods: We conducted a prospective survey-based cohort study of 19 patients (35 eyes) with glaucoma or glaucoma suspect diagnoses. Patients received training on home tonometer usage and were loaned the device for one week to measure intraocular pressure at home multiple times daily.
Effects of Switching to Netarsudil/Latanoprost Fixed Dose Combination from Various Latanoprost Regimens: The Phase 4 MORE Study.
Clin Ophthalmol
January 2025
Alcon, Inc, Fort Worth, TX, USA.
Purpose: To determine the effect on intraocular pressure (IOP) of switching to a once-daily netarsudil/latanoprost fixed dose combination (FDC) from various topical treatment regimens including latanoprost monotherapy or latanoprost combined with other IOP-lowering agents for the treatment of open-angle glaucoma or ocular hypertension.
Methods: A total of 136 participants enrolled. Eligible participants were aged ≥18 years and had a current diagnosis of open-angle glaucoma or ocular hypertension.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!