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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
Update on pediatric optic neuritis
Jane H Lock1, Nancy J Newman1,2,3, Valérie Biousse1,2
1Department of Ophthalmology.
Insights
Recent advancements in pediatric optic neuritis (PON) focus on myelin oligodendrocyte glycoprotein antibody (MOG-Ab) testing. This improves diagnosis and risk stratification for children with demyelinating conditions.
Area of Science:
- Neurology
- Immunology
- Pediatrics
Background:
- Pediatric optic neuritis (PON) is a significant neurological condition in children.
- Understanding demyelinating syndromes has evolved with new serological markers.
- Distinguishing between various autoimmune neurological disorders is crucial for effective treatment.
Purpose of the Study:
- To review recent advancements in the classification, investigation, and management of pediatric optic neuritis (PON).
- To highlight the impact of myelin oligodendrocyte glycoprotein antibody (MOG-Ab) testing on PON assessment.
- To discuss the implications for risk stratification and tailored treatment strategies.
Main Methods:
- Literature review of recent developments in pediatric optic neuritis.
- Analysis of studies focusing on MOG-Ab associated disease (MOG+AD).
- Comparison of MOG+AD with multiple sclerosis (MS) and aquaporin-4 antibody positive neuromyelitis optica spectrum disorder (AQP4+NMOSD).
Main Results:
- Myelin oligodendrocyte glycoprotein antibody (MOG-Ab) testing has shifted the paradigm in assessing pediatric optic neuritis.
- MOG-Ab positive-associated disease (MOG+AD) presents distinct clinical and radiological features compared to MS and AQP4+NMOSD.
- Optic neuritis is the most common presentation of MOG+AD, which is more prevalent in children and generally has a better prognosis, barring recurrent cases.
Conclusions:
- Improved understanding of MOG+AD natural history allows for better risk stratification in pediatric optic neuritis.
- Initial PON investigations now routinely include serology alongside neuroimaging and CSF analysis.
- Treatment for PON is increasingly tailored to specific diagnoses, including MS, AQP4+NMOSD, and MOG+AD.
Purpose Of Review:
To summarize recent developments in the classification, investigation and management of pediatric optic neuritis (PON).
Recent Findings:
A recent surge in interest surrounding antibodies to myelin oligodendrocyte glycoprotein antibody (MOG-Ab) has instigated a paradigm shift in our assessment of children with PON. This serological marker is associated with a broad spectrum of demyelinating syndromes that are clinically and radiologically distinct from multiple sclerosis (MS) and aquaporin-4 antibody positive neuromyelitis optica spectrum disorder (AQP4+NMOSD). Optic neuritis is the most common presenting phenotype of MOG-Ab positive-associated disease (MOG+AD). MOG-Ab seropositivity is much more common in the pediatric population and it predicts a better prognosis than MS or AQP4+NMOSD, except in the subset that exhibit a recurrent phenotype.
Summary:
A better grasp of MOG+AD features and its natural history has facilitated more accurate risk stratification of children after a presenting episode of PON. Consequently, the initial investigation of PON has broadened to include serology, along with neuroimaging and cerebrospinal fluid analysis. Acute treatment of PON and chronic immunotherapy is also becoming better tailored to the suspected or confirmed diagnoses of MS, AQP4+NMOSD and MOG+AD.
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