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Binocular Vision Dysfunction (BVD) is a condition that affects how our eyes work together as a team. While it may not be as well-known as other eye conditions, such as nearsightedness or astigmatism, BVD can significantly impact daily life and overall visual comfort. In this blog post, we'll explore what BVD is, its symptoms, potential causes, and the available treatment options.

What is BVD?

Binocular Vision Dysfunction (BVD) occurs when both eyes have difficulty working together efficiently. Normally, our eyes align perfectly to produce a single, unified image. However, in individuals with BVD, there is a misalignment or coordination problem between the eyes, leading to a range of symptoms.

Symptoms of BVD:

  1. Double Vision: Seeing two images instead of one, which can cause confusion and discomfort.

  2. Headaches or migraines: Persistent headaches, often around the temples or forehead, especially after visual tasks.

  3. Eye Strain: Discomfort, fatigue, or soreness in the eyes, particularly after reading or using digital screens.

  4. Difficulty Focusing: Trouble maintaining clear vision or adjusting focus between near and distant objects.

  5. Dizziness or Vertigo: Feeling off-balance or experiencing sensations of dizziness, particularly after visual tasks.

  6. Light Sensitivity: Increased sensitivity to light or glare, leading to discomfort and visual disturbances.

  7. Motion Sickness: Especially as a passenger or on curvy roads.

  8. & so many more!

Causes of BVD:

The exact cause of Binocular Vision Dysfunction can vary from person to person. Some potential contributing factors may include:

  • Muscular Imbalance: Weakness or imbalance in the muscles that control eye movements.

  • Traumatic Brain Injury: Head injuries or concussions can disrupt the brain's ability to coordinate vision.

  • Neurological Conditions: Certain neurological conditions can affect the brain's processing of visual information.

  • Eye Misalignment: Structural abnormalities or misalignment of the eyes can contribute to BVD symptoms.

Treatment for BVD:

Specialized glasses with prism correction can help align the eyes and reduce the symptoms. Patients can expect to get 50-80% resolution of their symptoms. 

What to do if you think you have BVD:

Take the FREE test Optometrists trained by the NeuroVisual Medicine Institute undergo intense post-graduate education to learn how to identify potential patients, how to perform and analyze multiple tests, and how to correctly prescribe the microprism to correct it. Expect 1.5-2 hours for your appointment! With the right approach, managing BVD can lead to better visual function and overall well-being.

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