What is a Concussion?


What Causes A Concussion?

Most Concussions never have a loss of consciousness…and you do not need a blow to the head. (Think Shaken Baby Syndrome) A concussion is a mild traumatic brain injury(TBI) caused by a bump, blow, or jolt to the head or body that may change how the brain functions.
  Interesting Facts
  • –  Loss of consciousness is NOT required for a diagnosis of concussion.
  • Many people assume that concussions involve a loss of consciousness, but that is not true. In many cases, a person with a concussion never loses consciousness.  AANS (Neurological Surgeons)
  •   You do not need to have a bruise on your head or bleeding from your head to have a traumatic brain injury/concussion.

We treat and sometimes reverse the Symptoms of a Concussion?

We can help you improve MVA loss of 



 –  Feeling slowed down

 –  Difficulty concentrating

 –  Difficulty remembering new information


 –  Headache

 –  Fuzzy or blurry vision

 –  Nausea or vomiting 

 –  Dizziness

 –  Sensitivity to noise or light

 –  Balance problems

 –  Feeling tired, having no energy



 –  Irritability

 –  Sadness

 –  More emotional

 –  Nervousness or anxiety


 –  Sleeping more than usual

 –  Sleeping less than usual

 –  Trouble falling asleep

Source: www.cdc.gov/concussion/signs_symptoms.html

And if you had some of these before the accident, the MVA can make them much worse.

We help Headaches:

After an accident and these mean a concussion.  If you find that bright lights and loud noises increase your headache, you may have a concussion.

What We Do To Help

We Listen.

We find the foods, nutritional supplements and medications that can help you recover from these symptoms. We can re-train your eyes and your balance to restore reading and balance when possible. 


After Accident Care utilizes the most sensitive diagnostic tests to help document that a concussion has occurred.  This includes  VNG, and balance testing.   

We also have trained Physical Therapists that have expertise in treating concussions using various gaze stability exercises, vestibular adaptation techniques, and balance exercises to decrease your symptoms and help you return to your normal life.

Frequently Asked Questions

When can I play sports again after a Concussion

You must be asymptomatic for any concussion symptom…

So the sooner you are symptom free, the sooner you can return.

We help people become symptom free, with every medical and alternative medical therapies we can find.

Having  difficulty concentrating makes returning to student life impossible. We help you manage your re-entry into your class to help you preserve your GPA to keep you on our mission. There are clear but changing guidelines in this arena.

Not only can we give real guidance on when and how to return to sports, we can help clearly identify if you have a brain injury.

Our military uses  videonystagmogram (VNG) to diagnose brain trauma that does not show up on CT or MRI. 

So do we.


The VNG measures our eye movement as we look at things. If we watch something and turn our body, the eyes move in both a coordinated and precise way.  The VNG measures with laser precision the subtle shaking of our eyes after a brain injury. The resulting measurements provide a way to document injury and recovery.

The use of these modern tests will help us identify better treatments to prevent progressive dementia.    

Dr. Changaris offers the most modern and reliable diagnostic tests for concussion, including the Videonystagmogram.

Normally, our eyes move in the same direction and at the same time when tracking an object.  For example, imagine watching a tennis match.  Under normal conditions, our eyes will smoothly follow the ball as it goes from one side of the court to the other side.  After an accident resulting in a concussion, our eyes which are controlled by the brainstem, cannot smoothly track objects causing headaches and dizziness.  Our ability to maintain focus on an object when our head is moving also becomes affected causing similar symptoms.  In other instances, tiny “crystals” in our inner ear become dislodged after an accident causing severe spinning sensations and nausea.  This is observed by erratic twitching and rolling of the eyes with certain head positions.  The ways our eyes move under specific conditions tells us if a patient has suffered a concussion, and the direction of eye movement can help diagnose where the problem originates as well as how to rehabilitate the patient.  Our Videonystagmogram (VNG) uses laser precision to track eye movements and help diagnose these conditions.

Norma_ Eye_Movement


Contact Us (but if this is an emergency, Please Go to the ER or call 911)

We help!


Concussions & Headaches 


Neck & Back Injuries

Shoulder & Major Joint Pain

Medical/Legal Documentation

801 Barret Ave
Suite 103,
Louisville, KY 40204

502 584 6852

Mon - Fri:
9:00 - 5:00

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