What is an ocular migraine?
A person with an ocular migraine has recurrent episodes of distorted vision that usually occur only in one eye. It is important to report symptoms of ocular migraine to a doctor because they are similar to symptoms that occur with serious neurological illnesses. The cause for ocular migraines is unknown.

What are the symptoms of an ocular migraine?
The main symptom of ocular migraine includes a sudden vision change, such as wavy images, sparks of light, shimmering light, zig-zags of light, or light flashes. Occasionally, vision may be lost in one eye for a brief period. Symptoms that may occur with an ocular migraine include a headache located around one eye, nausea, vomiting, double vision, or loss of vision.

How does the doctor treat an ocular migraine?
Ocular migraines rarely require treatment, because they resolve on their own. Treatment for an ocular migraine may include rest, cold compresses, scalp massage, and migraine medications.