Optic Neuritis
Home | Eye Conditions | Neuro-ophthalmic conditions | Optic Neuritis
Additional Optic Neuritis Resources
Optic Neuritis resources for Patients
Clear, practical guidance to help you prepare for consultations, understand treatment options, and feel confident in your decisions.
Optic Neuritis resources for Healthcare Professionals
Information for optometrists and referring doctors, including referral considerations and collaborative care.
How to use this Optic Neuritis guide
This page provides an overview of optic neuritis and links to more detailed information on each aspect of the condition.
You can use this guide to:
- Understand how optic neuritis affects the optic nerve and vision
- Recognise symptoms that may require prompt assessment
- Learn about possible causes and associated conditions
- Explore how optic neuritis is diagnosed, managed and monitored over time
If you are experiencing changes in your vision or have concerns about your eye health, this guide can help you identify relevant information and understand when to seek professional assessment.
Optic Neuritis Overview
Optic neuritis is an inflammatory condition affecting the optic nerve, which carries visual information from the eye to the brain. When the nerve becomes inflamed, the transmission of these signals is disrupted, leading to changes in visual function.
The condition typically develops over a short period and can affect one or both eyes. Because the optic nerve is part of the visual pathway beyond the eye itself, vision may be affected even when the structures within the eye appear normal during initial examination.
Optic neuritis involves changes in how visual information is processed rather than a problem with how light enters the eye. The degree of visual impact can vary depending on how much of the optic nerve is affected and how the inflammation develops.
In some cases, optic neuritis occurs as an isolated episode, while in others it may be associated with broader systemic or neurological processes. For this reason, assessment focuses not only on the eye but also on understanding the context in which the condition occurs.
Early evaluation is important to establish the nature of the condition and guide appropriate monitoring. Because the optic nerve plays a central role in vision, changes affecting it require careful assessment and follow-up.
When to seek assesment
You should seek prompt assessment if you experience a sudden change in vision, particularly in one eye, or notice reduced visual clarity that develops over a short period. Changes in colour perception, difficulty with contrast, or discomfort when moving the eye should also be evaluated.
Even if symptoms seem mild or improve temporarily, it is important to have your vision assessed to determine the cause and ensure appropriate monitoring.
If you are experiencing changes in your vision or are concerned about optic neuritis, schedule a consultation with Dr Cronjé Ophthalmologist & Eye Surgeon | FC Ophth (SA) | MBChB (Pret) | Dip Ophth (SA) for expert evaluation and personalised care.