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VEP (Visual Evoked Potential) test is a diagnostic test that measures the electrical activity in the visual cortex of the brain in response to visual stimuli. The test helps to evaluate the function of the visual system, including the eyes and optic nerves. It is also known as Visual Evoked Response (VER) Test.
This test is recommended by doctor when you start experiencing changes in your eyesight, in order to find out the root cause of the changes. Because the change in the eyesight can be due to abnormalities or problems along the routes of specific nerves.
What is the procedure for the visual evoked potential (VEP) test?
Preparation : The individual undergoing the test is made to sit in a comfortable position in a quiet, dimly lit room. Electrodes are placed on the scalp, and sometimes on the skin around the eyes, to measure the electrical activity of the brain and eyes.
Stimuli presentation : The individual is asked to look at a screen that displays a series of visual stimuli, such as black and white checkerboard patterns, flashing lights, or moving patterns. These visual stimuli are designed to stimulate the visual system and elicit a response from the brain.
Brain response measurement : The electrodes on the scalp record the electrical activity of the visual cortex in response to the visual stimuli. The recorded response is then analyzed by a computer, which produces a waveform and measures the latency of each peak.
Interpretation : The audiologist or neurologist interprets the waveform and the latency of each peak to determine the individual's visual system function, including the optic nerves and visual cortex.
Cost of visual evoked potential (VEP) test
The cost of the visual evoked potential (VEP) test ranges from INR 1500 to INR 4500.
| Test Type | Visual Evoked Potential - VEP |
| Includes | Visual Evoked Potential (VEP) Test (VEP) |
| Preparation | |
| Reporting | Within 24 hours* |
| Test Price |
₹ 2400
|
VEP Test stands for Visual Evoked Potential Test and is used for evaluating the function of visual pathways. It helps in diagnosing various health conditions such as Multiple Sclerosis, Glioma on the optic nerve, Trauma to the head and brain, Toxic optic neuropathy, visual pathway issues, etc.
The VEP Test takes around 30 minutes to 60 minutes including the time taken by the technologist for preparation for the VEP test. The technologist's side preparation includes measurement of the head and marking the position for electrode placement.
To prepare for the VEP Test, you must follow the instructions given by the patients effectively such as:
The VEP Test does not pose any severe side effects. But some patients may experience the symptoms such as Vertigo, Nausea, Headaches, Dizziness, and Skin irritation.
The cost of the VEP Test in Delhi starts at INR 3000. It varies based on the offer provided, the technology used as well as the location of the diagnostic center. In Delhi, NCR, Ganesh Diagnostic and Imaging Centre is offering Visual Evoked Potential (VEP) tests at an attractive discount of 50% with a free ambulance facility for pick and drop of patients.
No, VEP Test is not painful as it does not involve the use of a needle or injection. Because of flashing lights and electrodes, you may feel a little bit of discomfort.
The VEP Test is of three types including:
Early check ups are always better than delayed ones. Safety, precaution & care is depicted from the several health checkups. Here, we present simple & comprehensive health packages for any kind of testing to ensure the early prescribed treatment to safeguard your health.
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