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Impact of race and ethnicity on glaucoma progression detection by perimetry and optical coherence tomography.
Sci Rep
December 2024
Bascom Palmer Eye Institute, University of Miami, 900 NW 17th St, Miami, FL, USA.
This study assessed the impact of race and ethnicity on longitudinal test variability and time to detect glaucoma progression using standard automated perimetry (SAP) and optical coherence tomography (OCT). The sample consisted of 47,003 SAP tests from 5402 eyes and 25,480 OCT tests from 4125 eyes, with 20% of participants self-identifying as Black or African American and 80% as White; 29% as Hispanic or Latino and 71% as Not Hispanic or Latino. Variability was measured using standard deviations of residuals from linear regression models for SAP mean deviation (MD) and OCT retinal nerve fiber layer (RNFL) thickness over time.
View Article and Find Full Text PDFImplications of myopia in diagnosis and screening of open angle glaucoma.
Curr Opin Ophthalmol
December 2024
Ophthalmology, Kanagawa Dental University, Yokohama.
Purpose Of Review: Rapid increase in the prevalence of myopia has been documented worldwide. Myopia, especially high myopia, is not only an important risk factor for having open angle glaucoma (OAG), but also has a strong linking with the progression of OAG. Since myopic axial length (AXL) elongation is associated with nonglaucomatous optic nerve head (ONH) and visual field abnormalities, myopia poses a challenge in differential diagnosis of OAG.
View Article and Find Full Text PDFVisual Field Asymmetries in Responses to ON and OFF Pathway Biasing Stimuli.
Vis Neurosci
December 2024
Stanford University, Department of Psychology Stanford, CA, USA.
Recent reports suggest the ON and OFF pathways are differentially susceptible to selective vision loss in glaucoma. Thus, perimetric assessment of ON- and OFF-pathway function may serve as a useful diagnostic. However, this necessitates a developed understanding of normal ON/OFF pathway function around the visual field and as a function of input intensity.
View Article and Find Full Text PDFSupervised Automated Kinetic Perimetry (SAKP) Using Simulated Visual Field Data - Presentation of a New Examination Technique.
Klin Monbl Augenheilkd
December 2024
Department für Augenheilkunde, Semmelweis Universität, Budapest, Ungarn.
Purpose: The aim of this study was to develop, optimise, train, and evaluate an algorithm for performing Supervised Automated Kinetic Perimetry (SAKP) using digitalised perimetric simulation data.
Methods: The original SAKP algorithm was based on findings from a multicentre study to establish reference values by semi-automated kinetic perimetry (SKP) combined with an automated examination method with moving stimuli ("Program K", developed in Japan). The algorithm evaluated the outer angles of isopter segments and responded to deviations from expected values by placing examination vectors to measure the outer boundaries of the visual field (VF).
Perimetric visual field testing reveals deficits in contrast sensitivity in workers exposed to occupational levels of pesticides.
Ophthalmic Physiol Opt
December 2024
School of Optometry and Vision Science, The University of New South Wales, Sydney, New South Wales, Australia.
Article Synopsis
- - This study explored the link between visual field contrast sensitivity and pesticide exposure among agricultural workers by comparing two groups: one exposed to pesticides and a non-exposed control group.
- - Results showed that those exposed to pesticides had higher neurotoxic symptoms, increased Substance P levels, and lower cholinesterase levels, as well as significantly reduced contrast sensitivity in their visual fields, especially around the optic nerve head.
- - The findings suggest that visual field assessments could be an effective way to understand and evaluate potential health risks associated with pesticide exposure, particularly regarding retinal toxicity.
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