Pediatric eye health is a critical aspect of a child’s life and development. Good vision is not just about clarity […]
Binocular vision dysfunction (BVD) and Vertical Heterophoria (VH) are two vision issues which may surface after someone suffers a traumatic brain injury, such as a stroke. Both of these conditions can have significant impacts on one’s quality of life. Fortunately, effective treatment options are available.
Binocular vision is the ability of the eyes to work together as a team, so the term binocular vision dysfunction means that there is a misalignment between the lines of sight of each eye. This misalignment can be horizontal, vertical, or both. If the misalignment is severe enough, the patient will experience double vision or diplopia, while minor misalignments will have the patient still see a single image, but still cause eye strain, which can lead to other problems.
Vertical heterophoria is a type of binocular vision dysfunction which is believed to be caused by a lack of proper coordination between the two main vertical eye alignment mechanisms; the balance (vestibular) system and the vision (oculomotor) system.
Vertical heterophoria can lead to a number of symptoms, some of which might not be immediately associated with vision.
These include:
Feelings of dizziness can come and go for someone with vertical heterophoria, and it can be triggered by a range of actions, such as”
Other signs you have vertical heterophoria include head pain (specifically at the temples, forehead, and the back of the head). The intensity of these headaches can also vary. Those suffering from vertical heterophoria may also experience a feeling of heaviness near the crown of the head, comparable to the pressure from sinus pain.
Neck and shoulder pain can result from head tilting to compensate for the vision difficulties caused by the misaligned eyes.
Anxiety, specifically while driving, is also a common symptom of vertical heterophoria.
Particular issues which may occur include:
The dizziness caused by vertical heterophoria can also lead to trouble balancing, which can make everyday actions like going up the stairs dangerous.
There are two main causes of vertical heterophoria: traumatic brain injury (such as an accident or a stroke), and congenital causes.
A diagnosis of a binocular vision dysfunction, such as vertical heterophoria, can be made following a comprehensive vision evaluation performed by a neuro-optometrist. Basic eye tests may not detect these, and some of the symptoms may not lead people to suspect a vision issue.
Prism lenses can provide relief from symptoms such as double vision, as they help you compensate for the misalignment. However, these more provide short term relief than proper treatment.
Vision therapy, on the other hand, helps you (re)develop the visual skills necessary to maintain proper eye alignment, and once this ability is gained, the problem, in most cases, is completely resolved.
Surgery is in most cases not recommended for these conditions.
Binocular vision dysfunctions such as vertical heterophoria can have extremely negative impacts on your quality of life, with the symptoms of dizziness, anxiety, and others making day-to-day tasks difficult or even dangerous. However, vision therapy by certified neuro-optometrists can effectively treat the condition. Book an Appointment today if you suspect you might be suffering from a binocular vision dysfunction so we can schedule a comprehensive vision exam.
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Dr. Kavner is a gifted diagnostician and orthoptic therapist. He treated me several decades ago for a condition similar to dyslexia. I was having migraines five times per week. I worked with him for about a year and I experienced tremendous improvement (down to 3-4 per year) that has lasted.
Dr. Kavner recommended two types of eye therapy for my daughter. One of them using bio-feedback. In just three sessions she is seeing considerably better. She shouted this morning: Ooh my God! I could not see these letters with my glasses on, and now I can see them without my glasses. If you are willing and able to invest in improving your vision, this is a good place to go to!
Dr. Kavner recommended two types of eye therapy for my daughter. One of them using bio-feedback. In just three sessions she is seeing considerably better. She shouted this morning: Ooh my God! I could not see these letters with my glasses on, and now I can see them without my glasses. If you are willing and able to invest in improving your vision, this is a good place to go to!
I have always found Dr Kavner's work, expertise and wisdom of the highest caliber. As one of the fathers of OT, occupational othomology, his depth and breadth of knowledge about the eyes' health and wellbeing of the patient is exemplary. Cannot say enough good things about him.
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