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Authors
Barnhardt, Carmen; Cotter, Susan A.; Mitchell, G. Lynn; Scheiman, Mitchell; Kulp, Marjean T.

Symptoms in Children with Convergence Insufficiency Before and After Treatment

publication date
June 12, 2012
Category
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Abstract/Introduction

Purpose

To investigate symptom patterns and evaluate the relationship between patient characteristics and symptom severity before and after treatment for symptomatic children with convergence insufficiency (CI).

 

Methods

In a randomized clinical trial, the convergence insufficiency symptom survey was administered pre- and posttreatment to 221 children aged 9 to <18 years with symptomatic CI. Frequency of symptom type was determined at baseline, mean change in performance-related vs. eye-related symptoms for treatment responders was compared, and the relationship between patient characteristics and symptom severity at baseline for the entire cohort and after treatment for those who responded to treatment was determined.


Conclusion/Results

Results

At baseline, the score for performance-related symptoms was greater than that for eye-related symptoms (mean response of 2.3 vs. 1.8, p < 0.001) regardless of age, sex, race/ethnicity, or presence of parent-reported Attention Deficit Hyperactivity Disorder (ADHD). Symptom severity increased with age for both the overall and eye-related subscale scores (p = 0.048, p = 0.022, respectively). Children with parent-reported ADHD were more symptomatic (p = 0.005) than those without parent-reported ADHD because of a higher performance-related score (p < 0.001). A significant and equal improvement (p < 0.01) for the performance- and eye-related symptoms was found in treatment responders. Girls had significantly lower performance-related symptoms than boys (p = 0.014), and black children reported less eye-related symptoms than white children (p = 0.022). Children without parent-reported ADHD had significantly less symptoms overall and less eye-related symptoms than children with parent-reported ADHD (p = 0.019, p = 0.011, respectively).

 

Conclusions

Because of a high frequency of both performance- and eye-related symptoms, clinicians should perform a targeted history that addresses both types of symptoms to help identify children with symptomatic CI. Future study regarding the relationship of CI and symptoms and their potential influence on ADHD, reading performance, and attention is warranted.


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Vision therapy is well worth the response, time and effort. Our Son had a hard time focusing and writing neatly. After vision therapy Seth could complete a task in half the time if previously took. His abilities to focus improved greatly and so did his handwriting.

Also, he was better at listening. As a parent, we wanted learning to be fun for our Son, and vision therapy made this possible.


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Vision Therapy is well worth the expense, time and effort. Our son had a hard time focusing handwriting neatly. After vision therapy Seth could complete a task in half the time it previously took his abilities to focus and improved greatly and so did his handwriting.

Also, he was better at listening. As a parent you wanted learning to be fun for our son and vision therapy made this possible.


Alexa H.

Vision Therapy has given or son the tools he needs to be able to scan and read the written word more effectively and efficiently.

He love working with John and these working sessions give him the motivation to gladly work on his homework assignments.

It amazed us to see the difference in the tracking of his eyes and along a line of it's from the beginning to the end of the treatment.

Dr. McBryar , Kristen and John  are all marvelous and we would recommend them to anyone I only wish that we would have found them sooner!


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Prior to coming to the institute for vision development my son complained of daily headaches. Therapy has eliminated his headaches completely. I love knowing my son is able to learn pain-free for the rest of his life because of the work that has been done over just a few weeks in this office. He he absolutely loved coming that didn't even feel like going to a doctor or therapy. We are grateful for the relief he was able to find by coming here.

Thank you!


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Seems much less frustrated with life

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Kelly O.

When we first came to the practice, my son did not have huge issues, but lots of small ones- trouble with reading, sports (hitting the baseball consistently), coordination, etc- that were not easily detectable,but when put together presented issues. The staff here were all very professional and loving towards him. While I was concerned in the reading, my son was concerned with the athletic side. Seeing improvement night off the bat gave him confidence that i have nor seen in him and made him want to not only Come to therapy, but also made him want to work hard. He has surpassed his grade level and above in reading and hit his first home run this year! Thank you!!!


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