Ocular migraine describes temporary visual disturbances that may occur with or without a headache.
What ocular migraine feels like
Many people notice shimmering lights, zigzag lines, or blank patches in their vision. These changes usually build over minutes and then fade within an hour.
- Visual symptoms can affect one or both eyes
- Some episodes are followed by a typical throbbing headache
- Bright light, stress, or lack of sleep may act as triggers
- Between attacks, eye examination is often entirely normal
When to worry about symptoms
Ocular migraine is usually harmless but can be frightening. A full eye and medical check helps rule out more serious causes like a mini-stroke or retinal problem.
- Seek urgent care for sudden permanent vision loss or new severe headache
- Keep a diary to track frequency, triggers, and associated symptoms
- Lifestyle changes and migraine medicines can reduce attack frequency
- Do not drive until visual disturbances have completely cleared
