In 50% of cases, ocular migraines cause temporary and dramatic visual disturbance. In the other half of cases, ocular migraines can cause lesser vision disturbances such as:
Partial vision loss
Scotomas, or a blank spots in your vision
Flashes of light
Ocular migraines are usually brief, lasting less than five minutes. However, they can last up to 30 minutes. Forty-one percent of people have a headache during the vision loss. Twenty-five percent have it before...
You have moderate-to-severe headache pain that is disabling and interfering with your life despite treatment.
You have at least three moderate-to-severe headache days per month.
Your migraines are seriously affecting your quality of life.
You are taking migraine painkillers very frequently.
Your current migraine drugs are not providing sufficient relief.
You are having side effects from current headache drugs.
You prefer to take a preventive approach.
You don't mind taking a daily medication.
You have uncommon migraine conditions, like prolonged aura.
Migraine Prevention Drugs Are Usually Not Used If:
You have mild-to-moderate pain that is not disabling.
You have less than three moderate-to-severe headache days per month.
Your headaches are controlled by drugs like NSAIDS (anti-inflammatories like Aleve or Motrin) or triptans.
You don't have side effects from those drugs.
You don't take those drugs frequently.
You're not ready to take a daily migraine medication.
You have other health conditions that do not allow you to take preventive drugs.
You cannot tolerate side effects of preventive drugs.
There might be negative drug interactions with other medications you are taking.
You prefer a non-drug treatment (like biofeedback).
If you can't take medication or prefer not to, a device may be worth considering. Cefaly is the first FDA-approved device for preventing migraines in people over age 18. The portable headband-like device gives electrical impulses on the skin at the forehead. This stimulates a nerve associated with migraine headaches. Cefaly is used once a day for 20 minutes, and when it's on you'll feel a tingling or massaging sensation.