What Is Suppression

What does it mean when one of my eyes is suppressed? And how does that impact vision? 

What Is Suppression in Bellflower

Amplify Eyecare of Greater Long Beach

What Is Suppression?

Suppression is the act of one of the eye’s shutting down visual input being sent to the brain. This can happen intermittently or be constant. Suppression could also be isolated to one eye or alternate between both. Usually this happens when binocular vision cannot be achieved so in order to compensate an eye would suppress the visual information.

How Does Suppression Happen?

It can occur for a multitude of specific reasons but to keep it simple it happens when our binocular system engages but can’t achieve fusion. Fusion is when both of our eyes are acting in concert and take two separate images they’re perceiving and form them into one image in our minds. When fusion can’t be achieved we will end up with diplopia, or seeing two separate images at once. As you could imagine this isn’t what someone would like to experience all the time. Our minds, being powerful tools, figure a way around this in order to reduce the comfort one would experience with double vision. The mind effectively turns off the incoming data from one of the eyes, usually the weaker one, just like a light switch. Now the mind is only taking in the sensory information from one eye, making for one distinct picture in our mind. Usually, the lack of fusion is ascribed to the system being brought to and exceeding its breaking point or the range when it cannot achieve binocularity.

How Does Suppression Happen?
How Does Suppression Happen?

How Does Suppression Happen?

This is indeed a good question. If someone is to experience suppression, is it isolated to one eye? The answer, like most things medically related, has a few components to the answer. The answer varies depending on what specific person it’s affecting. Most people experience suppression within a certain binocular range where the demand exceeds what they are able to do. If suppression occurs in this range a person might use their stronger eye over the weaker one. Suppression can be constant or intermittent once a person is in that range meaning once they hit that point the suppression won’t subside until the demand is decreased or, like our light switch metaphor, it will flicker on and off resulting in intermittent suppression. Another feature of suppression is that it can be alternating which means that a person will switch between what eye is relaying information and what eye is not. For the most part, people aren’t aware of the alternation as well as the occurrence of suppression in general. 

How Does Suppression Happen?

Symptoms and Treatments

We touched on a few symptoms earlier but we’ll go over them in detail now. The list of symptoms includes but is not limited to: 

  • Eye turn/deviation
  • Inaccurate depth judgment
  • Incoordination
  • Inaccurate eye-hand coordination
  • Abnormal postural adaptation
  • Spatial disorientation
  • Lacking concentration or distractibility while performing visually demanding tasks

 

 

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Summary

If you are experiencing any of these symptoms it might be worth a look during an advanced vision exam. At this is one of the things we check for throughout a comprehensive vision exam. In the event that suppression is diagnosed we would be able to treat it through vision therapy.

Testimonials


  • I haven't actually used the optometrist side, so my review is limited to the vision therapy offered.  This office was recommended by my occupational therapist for the treatment of my double vision following a stroke.


    Claire A.

  • Love this location. I had a brain injury accident from day one one. All the team make you feel you still important and hope in the horizon after when the medical system fell you miserably. Dr. Ikeda very professional and very understanding about your issue. Two tombs up.


    Jim K.

  • My husband and I were immediately impressed with Dr Ikeda. I was hit by a car while cycling which caused broken bones and three brain injuries. The brain injuries caused double vision. Dr. Ikeda examined my eyes and got me started on vision therapy with his occupational therapist who specializes in vision therapy.  She (Chris) is absolutely great.  I am impressed with the array of tools used to help recover my binocular vision.  I am doing things I never thought were possible (balance boards etc).  Chris pushes me and keeps me motivated. I really enjoy my sessions with her.  The office staff is always friendly and they have a wonderful appointment reminder tool that makes it easy to keep my calendar up to date. I am happy the rehab center at Little Co. of Mary recommended them!!


    Teresa S.

  • The Vision Therapy is handled in a separate office through a different door from the shared waiting room. Chris, the vision therapist, has a wide and varied assortment of tools, equipment and resources to best evaluate and treat most vision issues. After just a few visits, my double vision became easier to control, using exercises developed during the therapy process. It was time well-spent.


    Joe M.

  • I have been coming here since I can remember. I love it here. The staff is so amazing and nice. They explain everything they gonna do and never make you feel rushed. Dr. Ikeda has always been my doctor and I would never want another one. He is the doctor for my whole family and is always asking how everyone is doing. I am also so crazy about picking out my frames and have to try so many and each person who helps me take the time and lets me try them all on. I would never want to go anywhere else! I definitely would recommend this office to anyone looking for a great eye doctor.


    Kayla W.

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