CRION

Chronic relapsing inflammatory optic neuropathy

A relapsing autoimmune optic nerve condition causing repeated vision loss, often steroid-responsive.

What it is

CRION is distinct from MS and NMO. Relapses need specialist management to protect vision.

Signs people often notice

•Relapsing vision loss
•Often steroid-responsive
•Sometimes pain
•Both eyes over time

Who it affects

Rare; more common in young adults.

Questions worth asking your clinician

?Is this CRION?
?What treatment prevents relapses?
?How do we monitor?

This information is general and educational. Always speak to your GP or prescribing clinician before changing medication, starting supplements, or acting on anything you read here.

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