সংজ্ঞা
A visual evoked potential test (VEP) is used to look for problems in the brain that affect vision. A machine records brain waves related to the nerves that make up the visual pathway. This test can evaluate a large part of the brain.
পরীক্ষার কারণ
This test is often used to:
- Diagnose and follow multiple sclerosis (MS)
- Test vision in children and adults who are unable to read eye charts
There are many symptoms that might lead your doctor to order a VEP. You may be having double vision, blurred vision, or loss of part or all of your vision.
সম্ভাব্য জটিলতা
There are no major complications associated with this procedure.
কি আশা করছ
পরীক্ষার আগে
You will be given instructions to prepare for the test, such as:
- Wash your hair. Avoid hair chemicals (eg, hair sprays, gels).
- Get a good night’s sleep.
- Bring your corrective eyewear.
পরীক্ষার বর্ণনা
Wires will be attached to your scalp with adhesive. A patch will be placed over one eye. You will watch a screen with your other eye. The process is then repeated with the opposite eye covered.
The wires will be removed from your head.
পরীক্ষার পর
পরীক্ষা শেষ হলে আপনি চলে যেতে পারবেন।
এতে কতক্ষণ সময় লাগবে?
About 45 minutes
এটা আঘাত করবে?
না
ফলাফল
Your doctor will discuss the results with you and any further treatment that may be needed.
আপনার ডাক্তারকে কল করুন
Call your doctor if you have any concerns.
In case of an emergency,