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Updated: Jul 8, 2026

Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis
Published on: December 17, 2021
Uveitis associated with multiple sclerosis
Julie Le Scanff1, Pascal Sève, Christel Renoux
1Department of Internal Medicine, Hospices Civils de Lyon, Hotel Dieu, 1 place de l'Hôpital, 69288 Lyon Cedex 02, France.
Abstract:
Our study aimed to determine the frequency of uveitis among MS patients through the Lyon MS Database and compare the clinical spectrum and time course of MS in patients with or without uveitis. Twenty-eight patients with uveitis were detected. The prevalence of uveitis in our population was 0.65% (28/4,300). Uveitis preceded onset of MS in 46% of the patients; it occurred simultaneously or after MS, in 18% and 36% of the cases, respectively. The topography and timing of uveitis were not associated with any significant difference in MS course and prognosis. There was no difference in the course and prognosis in patients with or without uveitis.
Insights
This study found that uveitis occurs in 0.65% of multiple sclerosis (MS) patients. Uveitis timing relative to MS onset did not impact the disease
Area of Science:
- Ophthalmology
- Neurology
- Immunology
Background:
- Uveitis is an ocular inflammatory condition.
- Multiple sclerosis (MS) is a chronic neurological disease.
- The relationship between uveitis and MS requires further investigation.
Purpose of the Study:
- To determine the prevalence of uveitis in multiple sclerosis patients.
- To compare the clinical spectrum and time course of MS in patients with or without uveitis.
Main Methods:
- Retrospective analysis of the Lyon MS Database.
- Identification of patients diagnosed with uveitis.
- Comparison of MS clinical course and prognosis between groups.
Main Results:
- Prevalence of uveitis in the MS cohort was 0.65% (28/4,300).
- Uveitis preceded MS onset in 46% of cases, occurred simultaneously in 18%, and followed in 36%.
- No significant differences in MS course or prognosis were observed based on uveitis presence or timing.
Conclusions:
- Uveitis is relatively uncommon in MS patients.
- The timing of uveitis in relation to MS does not appear to affect MS prognosis.
- Ocular inflammation in MS patients does not alter the neurological disease course.
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