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Is Your Vision Overlapping? It could be a binocular vision dysfunction

To see properly, both our eyes should focus precisely on a single point, creating a clear image. Typically in binocular vision dysfunction, the vision is hazy or overlapping because both eyes don’t function in sync.

Sadly, 20% of optometric patients are diagnosed with binocular vision problems, which cause lifestyle problems in driving, working on computer screens, sporting, or reading. 

Binocular vision symptoms are usually caused by prolonged screen time. However, other lesser-known causes of binocular vision dysfunction are:

  • Neurological disorder 
  • Brain injury
  • Inheritance
  • Vertigo
  • Migraine
  • Dyslexia
  • ADHD
 

Binocular Vision Problems Symptoms

Although initially, it starts with minor, unnoticed symptoms, some prominent binocular vision problem symptoms are:

  • Visible eye convergence or divergence (Strabismus)
  • Inability to move one or both eyes together

 

Some initial and common symptoms include:

  • Blurry vision 
  • Eyestrain
  • Criss Cross vision
  • Reading difficulties 
  • Light sensitivity
  • Double vision

 

If you experience any of the above-said symptoms, it’s better to visit an optometrist or ophthalmologist for a detailed eye test to seek treatment in time. 

 

Types Of Binocular Vision Dysfunction

Binocular vision dysfunction errors are caused when both eyes cannot focus convergently. As a result, a clear image is not formed on the retina, and the brain registers a blurry image, causing binocular vision dysfunction.

Strabismus

It includes two types of eye deviation ” Esotropia and Exotropia”. Esotropia is when one eye directly looks at objects, whereas the other is misaligned and looking towards the nose. 
In Exotropia, one eye looks at objects, whereas the other eye moves towards the periphery and looks outside in both cases. 

Vergence 

It is also called convergence insufficiency. While reading, the eyes cannot retain the convergent image for a long time, and vision overlaps. In other cases, the eyeball diverges while looking at a distant object; hence no clear image is registered.

Amblyopia

Amblyopia is a refractive error. Often eyes fail to see clearly due to nearsightedness, farsightedness, or astigmatism. Collectively they are called Amblyopia. 

 

Binocular Vision Treatment

Binocular vision can be treated with lenses, vision therapy, or exercises. Here is how the treatment is done.

Lenses

Specialized lenses called “bespoke lense” can be incorporated into regular glasses or lenses. These specialized lenses counter the binocular issues and adjust to a clearer vision.

Vision Therapy

Vision therapy helps develop coordination in both eyes to achieve “eyes+brain” harmony to improve vision. Our “AmblyGo” software is a revolutionary solution to amblyopia treatment. It includes a set of programmed games based on the dichoptic principle that engages kids in 40-50 minute sessions. 90% of cases have registered vision improvement with this unique vision therapy treatment.

Exercises

Some specific eye exercises help combat binocular vision problems at the initial stages and curtail their advancement, such as:

  • Moving your eyes in the figure of 8
  • Blinking consciously
  • Clockwise -Anticlockwise Eye Rotation
  • Near-Far Focussing
  • 20/20/20 Rule