- Visual blind spots
- Seeing stars or spots
- Flashes of light
- Seeing zigzag patterns
The exact cause of ocular migraines is not clear, for some people it relates to different types of food they eat that they might have allergies to such nuts, chocolate and shellfish, as well as foods containing artificial sweeteners. People also experience ocular migraine episodes when consuming produce containing caffeine and alcohol. In the past it has been thought that tension and fatigue were linked to ocular migraines but a consistent link has not yet been found by researchers. Even though the exact cause of a migraine is unknown, although evidence suggests involvement of the blood vessels of your head. They usually begin in the early morning or during the day with intense, gripping pain on one side of the head that may gradually spread.
Ocular migraines can be described as irregular in that the length of times between episodes can very from days to months and even years. If you find your condition worsening, persisting or find you start getting headaches during episodes you should consult your doctor to explore suitable treatment.
Original source - Ocular Migraine
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