When dizziness occurs after sitting for a long time in front of the computer, you can massage the neck muscles and also do neck health exercises to relieve muscle spasm. When dizziness occurs after sitting for a long time in front of a computer, it may be due to the fact that when sitting for a long time, it is easy to cause contraction and spasm of the neck and shoulder muscles, which can involve the scalp nerves and blood vessels, and the patient can have headache, nausea and vomiting, which can also cause insufficient blood supply to the vertebral basilar artery system, and the patient can have dizziness, balance disorder and ataxia, and some patients can have nystagmus and diplopia. If the blood supply to the brain is insufficient, the patient may show a transient blackout in one eye, and may also develop sensory impairment and motor impairment in the lateral limbs. If sitting in front of the computer for a long time and staring at the screen for a long time, it is easy to cause visual fatigue and patients can also experience dizziness. Therefore, if dizziness occurs after sitting in front of the computer for a long time, you should leave the computer in time and do appropriate exercises to reduce visual fatigue.