Visual migraine:


headache. The visual migraine is a result of decreased blood flow to the occipital cortex, or that portion of the brain associated with vision. The visual migraine is often related with the sensation of a shimmering light in the peripheral vision. The vision can be blurred or distorted. There can be flashing and pulsating lights in the peripheral vision in this condition. The visual migraine is not usually treated because it is not associated with disabling headaches. In the typical visual migraine, the visual disturbance lasts for 15 - 20 minutes and then it disappears. Many visual migraine sufferers complain only of fatigue in the eyes after the visual disturbance.
The symptoms of the visual migraine:
The symptoms of the visual migraine can be very variable and depend on the basic problem. Because of the scope of the various types and causes of the visual migraine is so immense. The most common symptoms of the visual migraine are related to the eye fatigue. The visual migraine may begin after an extended period of reading, computer use, watching television. The burning eyes, fatigue, throbbing pain, sensitivity to light and sound are some of the other symptoms of the visual migraine. The nausea and some types of visual aura is also the symptoms of the visual migraine. Intense headache with the irritation in the eyes is the clear sign of the visual migraine.
The causes of the visual migraine:
In most of the cases, the migraines are considered to be brought on by stress. This headache commonly follows the stress relief of a hectic week during which the blood vessels in the head calm down and contract. The visual migraine can occur from any number of other causes including sinus conditions, hypertension, allergies, tumors or hormonal changes. The visual migraines are not generally connected with problems related to the eyes. Certain foods and additives such as chocolate, alcohol, dairy, and MSG are also accredited to migraines.

Cough Headaches -
Introduction - Cough Headache can be caused by cough; sneeze or bending, when the blood pressure in the veins in the head increases and the pain may be sharp or stabbing usually on both the sides of the head and at the back of the skull. These...

Headache research
A clinical trial is a research study that is designed to answer a specific scientific question. Clinical trials are used to answer questions about new therapies, drugs, or new ways of using known treatments. Trials are conducted to determine whether...

Morning Headaches -
Chronic morning headaches have become a common feature with the changing lifestyles in the society. They are said to be caused by the sleep disorders like insomnia and sleep apnea (sleep apnea is a condition where people stop breathing many times...

Headache Types
© headache-type.tdrbizl.com 2006