vitreous gel pulls or tugs (causes traction) on the
retina, it creates nerve impulses that appear as
flashes of light. The flashes are easier to see when you are looking at a dark
area. They may come and go.
Flashes of light do not always mean that you have a retinal problem.
They often are harmless. They may also be a symptom of a
migraine headache. If you see flashing lights for the
first time, or if they are different from any you have seen before,
call your doctor immediately.
If someone has a seizure for the first time, if a seizure lasts longer than two to three minutes, or if multiple seizures occur one after the other, take him or her to the emergency room or call 911 immediately.
If a seizure disorder is suspected, the doctor will begin by taking a thorough medical history, including any birth trauma, serious head injury, or infections of the brain, such as encephalitis or meningitis.
Brain function can be "viewed" with an electroencephalogram, or EEG, which detects...