Visual evoked potentials – VEP

Description of the visual evoked potentials

Test visual evoked potentials (VEP) It is used to find problems in the brain, that affect vision. Special unit detects brainwaves, associated with the nerves, members of the visual system. This test helps evaluate the function of the brain.

Reasons for Test visual evoked potentials

This test is often used to:

• Diagnosis and prevalence of multiple sclerosis (RS);
• Test vision in children and adults, who are unable to read the eye chart.

There are many signs, при которых врач может назначить тест ЗВП – двоение в глазах, blurred vision, partial or complete loss of vision.

How is the test of visual evoked potentials?

Preparation for the procedure

There will be instructed, how to prepare for the test, such as:

• It is necessary to wash your hair. Do not use chemicals (eg, hair lacquers, gels);
• Good night's sleep;
• Bring to the test Eyeglasses.

Description of the test of visual evoked potentials

It will be attached to the scalp electrodes. In one eye bandage is put. Eyes open, you will see on the screen. Then close the other eye and repeat the process.

At the end of the test the electrodes will be removed from the head.

After Test

You will be able to do daily activities.

How long will the test of visual evoked potentials?

About 45 minutes.

Тест зрительных вызванных потенциалов – будет ли это больно?

No, procedure bezboleznenna.

The test results of visual evoked potentials

The doctor will examine the results and discuss further treatment, which may be necessary.

Contact your doctor after the test visual evoked potentials

Call a doctor, If you have any questions about the test.