24 August 2020 Author: Inês Brás Marques Optic neuritis is the inflammation of the optic nerve . This nerve connects the eye (retina) to the brain and is responsible for vision. Optic neuritis occurs more frequently in young people, between the ages of 20 and 50, and is more common in women. What are the symptoms of optic neuritis? The most typical presentation of optic neuritis is a vision decreased in one eye , which gradually worsens over a few days. It is common to lose part of the eye vision field , which is often cloudy or blurred. A difficulty distinguishing colors , which are less intense than normal, may also be present. Pain in the eye region is associated , which increases when moving the eyes. In rare cases, optic neuritis can affect both eyes simultaneously. An improvement usually occurs in few weeks after the onset of symptoms. Evaluation by a neurologist and neuro-ophthalmologist is important in people with these symptoms. This observation includes the evaluation of: Vision disorders; Pupil response to light stimulation; Optical disc evaluation by examining the eye fundus. What is the cause of optic neuritis? The cause of optic neuritis is not always clear. Optic neuritis can be the first change in people with multiple sclerosis and can also occur in other diseases, such as infections or autoimmune diseases, for example lupus. Therefore, diagnostic tests are often requested. Diagnostic, for example, an MRI of the brain and possibly a lumbar puncture may be useful. How does optic neuritis evolve? Although symptoms usually improve within a few weeks, treatment with intravenous corticosteroids is often necessary to accelerate vision recovery. Recovery can be complete or partial, and changes in color vision may persist. In many cases, only one episode occurs. In some people, a new episode of optic neuritis may occur later, or other neurological symptoms may appear, so it is advisable to keep vigilance in a neurology consultation . The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.
