Local Area Networks. Local area networks (LANs) are used to connect networking devices that are in a very close geographic area, such as a floor of a building, a building itself, or a campus environment. Wide area networks (WANs) are used to connect LANs together.
Antidepressant medicines, which are usually used to treat depression, can be effective in preventing chronic tension headaches. Antidepressants have some pain-relieving properties and may reduce how often headaches occur and how long they last.
Prevention: Physicians can prescribe tricyclic antidepressants, selective serotonin re-uptake inhibitors, or monoamine oxidize inhibitors in the treatment of headaches associated with depression. Eyestrain Headaches. Symptoms: Usually frontal, bilateral pain directly related to eyestrain. It is a rare cause of headache. Precipitating Factors: Muscle imbalance; uncorrected vision; astigmatism