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What is optic neuritis?
The optic nerve carries visual information from the eye to the brain. In optic neuritis the nerve is inflamed, and the insulating layer around the nerve fibres is damaged. Often no cause is found, but optic neuritis can be the first sign of multiple sclerosis.
Symptoms
- Blurred vision in one eye that worsens over hours to days
- Pain behind the eye, especially when you move it
- Colours, especially red, look paler
- A hazy spot in the centre of your vision
Examination
We examine your vision, colour vision, the reaction of the pupils and the optic nerve. If optic neuritis is suspected, we refer you for further investigation, usually an MRI scan of the brain and an assessment by a neurologist.
Treatment and course
In most people vision improves by itself over weeks to months. Treatment with corticosteroids can make vision return faster and is given in some cases, but it does not change the final result. Colour vision and contrast may remain slightly reduced.
This text is general information and does not replace an examination. If you are unsure about your symptoms, call us.