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[Electrophysiology in ophthalmology].
Ophthalmologie
December 2024
Universitäts-Augenklinik, Department für Augenheilkunde, Universität Tübingen, Elfriede-Aulhorn-Str. 7, 72076, Tübingen, Deutschland.
Electrophysiological examinations are used in ophthalmology to determine the functionality of the neurons of the visual pathway. As electrophysiological examinations are independent of the subjective perception and response of the patient, they are considered to be objective functional diagnostics of vision. Electroretinography (ERG) is used to examine the retina (especially the photoreceptors), electro-oculography (EOG) is used to examine the functionality of the retinal pigment epithelium and visually evoked potentials (VEP) are used to evaluate the integrity of the entire visual pathway.
View Article and Find Full Text PDFMultifocal Vitelliform Paravascular Retinopathy (MVPR): A New Disorder in the Vitelliform Spectrum.
Am J Ophthalmol
January 2025
From the Stein Eye Institute (W.S., D.S.), University of California, Los Angeles, California, USA; Greater Los Angeles VA Healthcare Center (D.S.), Los Angeles, California, USA. Electronic address:
Purpose: To describe a new retinal phenotype characterized by bilateral, multifocal, subretinal vitelliform lesions along the vascular arcades that we refer to as multifocal vitelliform paravascular retinopathy (MVPR).
Design: Observational case series.
Methods: Multimodal retinal imaging including color fundus photography, fundus autofluorescence and cross sectional and en-face optical coherence tomography was performed to evaluate and characterize the lesions of MVPR.
Application of Electrophysiology in Non-Macular Inherited Retinal Dystrophies.
J Clin Med
November 2023
Department of Ophthalmology, University Hospitals, Case Western Reserve University, Cleveland, OH 44106, USA.
Inherited retinal dystrophies encompass a diverse group of disorders affecting the structure and function of the retina, leading to progressive visual impairment and, in severe cases, blindness. Electrophysiology testing has emerged as a valuable tool in assessing and diagnosing those conditions, offering insights into the function of different parts of the visual pathway from retina to visual cortex and aiding in disease classification. This review provides an overview of the application of electrophysiology testing in the non-macular inherited retinal dystrophies focusing on both common and rare variants, including retinitis pigmentosa, progressive cone and cone-rod dystrophy, bradyopsia, Bietti crystalline dystrophy, late-onset retinal degeneration, and fundus albipunctatus.
View Article and Find Full Text PDFCHLOROQUINE INDUCED MACULAR TOXICITY IN A PATIENT LATER DEVELOPING SECTOR RETINITIS PIGMENTOSA: A CASE REPORT.
Retin Cases Brief Rep
August 2023
Department of Ophthalmology, Príncipe de Asturias University Hospital, Alcalá de Henares, Madrid, Spain.
Purpose: To describe how underlying retinal diseases, such as retinitis pigmentosa, increase the risk of chloroquine-induced macular toxicity.
Methods: Observational case report.
Results: We present the case of a 57-year-old woman being annually followed-up in the Ophthalmology service due to a systemic treatment with chloroquine (CQ).
ISCEV guidelines for calibration and verification of stimuli and recording instruments (2023 update).
Doc Ophthalmol
June 2023
Institute of Ophthalmology, University College London, London, UK.
This document developed by the International Society for Clinical Electrophysiology of Vision (ISCEV) provides guidance for calibration and verification of stimulus and recording systems specific to clinical electrophysiology of vision. This guideline provides additional information for those using ISCEV Standards and Extended protocols and supersedes earlier Guidelines. The ISCEV guidelines for calibration and verification of stimuli and recording instruments (2023 update) were approved by the ISCEV Board of Directors 01, March 2023.
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