Pulmonary & Sleep Specialists, Ak provides comprehensive diagnostic and treatment services for pulmonary diseases and sleep disorders. Founded in 2023 by Dr. Ravinder Shergill, the practice includes one board-certified physicians and a support team of medical assistants, sleep technologists, administrative staff, and insurance and account specialists.

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Visual Evoked Potential/Response

What is VEP/VER?

Visual Evoked Potential (VEP) or Visual Evoked Response (VER) is a diagnostic procedure that measures the brain’s response to visual stimuli. By evaluating the electrical activity in the brain, VEP/VER assesses the function of the visual pathways from the eyes to the brain’s visual cortex.

Reasons for VEP/VER Testing :

Diagnosing Visual and Nerve Disorders:

This test is useful for identifying issues like optic neuritis or multiple sclerosis that affect the optic nerve.

Monitoring Disease Progression:

It helps track the progression of conditions affecting vision and evaluates how well treatments are working.

Evaluating Visual Function in Special Cases:

VEP/VER is particularly valuable for assessing vision in infants, young children, and patients who cannot communicate their symptoms effectively.

When Might You Need a VEP/VER Test?

How is the VEP/VER Test Conducted?

Preparation:

The patient is seated comfortably, and small electrodes are placed on the scalp to detect brain activity.

Stimulus Presentation:

Visual stimuli, such as flashing lights or patterns, are shown on a screen.

Data Recording:

The electrodes capture the brain’s responses to the visual stimuli.

Analysis:

The recorded data is analyzed to determine the efficiency of visual signal transmission from the eyes to the brain.

Advantages of VEP/VER :

Safe and Non-Invasive :

The procedure is safe, requires no surgical intervention, and is generally comfortable for the patient.

Effective Diagnostic Tool:

It provides critical information for diagnosing and understanding visual pathway disorders.

Early Detection Capability:

VEP/VER can help detect vision issues early, enabling prompt treatment.

Preparing for Your VEP/VER Test :

No Special Prep Needed:

Usually, there are no specific preparations required, but inform us about any medications you are taking.

Relax and Stay Still:

During the test, remaining calm and still helps ensure accurate results.