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Optic Neuritis and Ganglion Cell Layer

Optic Neuritis Clinical Trial

Official title:
Predictive Effect of Ganglion Cell Layer on Visual Acuity at 6 Months and on Visual Function at 1 Year After an Episode of Optic Neuritis

Clinical Trial Summary

BACKGROUND AND OBJECTIVES: The recent expansion of the applications of optical coherence tomography (OCT) demonstrated a higher correlation between the analysis of ganglion cells and visual function, in comparison with the analysis of the nerve fiber layer for several diseases of the optic nerve. Atrophy of the ganglion cells tends to induce the visual function deficits. In the case of optic neuritis, inflammation of the optic nerve causes a deficit of visual function initially with low vision, color blindness and visual field. Secondary atrophy of ganglion cell can result. The purpose of the study is to evaluate the correlation between the analysis of ganglion cells at the time of diagnosis of optic neuritis and the resulting visual acuity at 6 months and visual function (visual acuity, color vision and perimetry) 1 year regardless of treatment. A predictive effect could help predict the patient's clinical course and management of uncertainty and anxiety. MATERIALS AND METHODS: An assessment at diagnosis and follow-ups at 6 months and 1 year with a measurement of best corrected visual acuity, a test color vision HRR (Hardy-Rand-Rittler), an OCT with analysis of ganglion cells and perimetry Humphrey 30 -2 fast will be done. Simple linear and logistic regressions will be used. RESULTS: We expect that there will be a significant association between atrophy of ganglion cells in the diagnosis and residual visual function after an episode of optic neuritis. We believe that the initial atrophy is associated with poorer visual prognosis. CONCLUSION: A predictive effect could help to inform the patient about the evolution of the disease and provide early visual rehabilitation.

Clinical Trial Description

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Study Design

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Clinical Trial Details
NCT number NCT02864134
Study type Observational [Patient Registry]
Source CHU de Quebec-Universite Laval
Contact
Status Completed
Phase
Start date August 2016
Completion date February 28, 2019
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