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Updated: Jul 4, 2026
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Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
Published on: April 14, 2014
Tracking retinal nerve fiber layer loss after optic neuritis: a prospective study using optical coherence tomography.
1Department of Clinical Neurosciences and Ophthalmology, The University of Calgary and Hotchkiss Brain Institute, Calgary, Alberta, Canada. fiona.costello@calgaryhealthregion.ca
Multiple Sclerosis (Houndmills, Basingstoke, England)
|June 25, 2008
Summary
Optical coherence tomography tracks retinal nerve fiber layer (RNFL) thinning after optic neuritis. RNFL thickness stabilizes within 12 months and predicts visual recovery, aiding in patient management.
Area of Science:
- Ophthalmology
- Neuroscience
Background:
- Optic neuritis leads to retinal nerve fiber layer (RNFL) damage.
- Optical coherence tomography (OCT) quantifies this damage and tracks changes over time.
Purpose of the Study:
- To track RNFL thickness changes after optic neuritis using OCT.
- To determine the time course of RNFL thinning and stabilization.
- To correlate RNFL thickness with visual function recovery.
Main Methods:
- Prospective case series of 78 optic neuritis patients.
- Mean follow-up of 28 months with OCT and visual testing.
- Analysis of inter-eye RNFL thickness differences and correlation with visual function.
Main Results:
- Significant RNFL thinning observed in affected eyes, persisting >24 months.
- RNFL thinning stabilized between 7-12 months post-optic neuritis.
- A threshold RNFL thickness of 75 micrometers predicted visual recovery.
Conclusions:
- RNFL changes after optic neuritis can be monitored using OCT.
- Correlations between RNFL thickness and visual function are established within 12 months.
