Vision Therapy and ADHD

Vision therapy has been considered a controversialThe Optometrist gave him a very thorough
treatment for individuals with ADHD but more andevaluation and determined that he had tracking
more research is showing that there is in fact adelays and convergence problems. He also reported
connection between vision problems and ADHD. Inthat my son was cross dominant. This happens,
early 2009 a group of Optometrists in Englandaccording to the optometrist, when you are right
evaluated several programs claiming to improvehanded but your dominant eye is the left eye (or
visual, mental, neurological, academic, and behavioralvice versa).
problems. They concluded that patients withMy did not have dyslexia, according to the
convergence insufficiency were improved by visionOptometrist, but it was his cross dominance and
therapy.convergence issues that caused him to write the
Children diagnosed with ADHD have a three foldnumber '9' when he meant to write a 'P' and to write
increase in the incidence of Convergencethe number '3' when he meant to write an 'E'. The
Insufficiency as compared to controls and a two foldevaluation took 4 hours and resulted in our getting a
increase in the incidence of visual tracking problems.mountain of exercises that we had to do with him at
This may be related to a hyper responsive superiorhome.
colliculus. The superior colliculus (SC) is a brainThe exercises involved tracking letters in a
structure which is involved in the control ofnewspaper, reading from materials that were near
distractibility and of eye and head movements. Someand far in a rapid manner, and what I call eye
researchers have proposed that in ADHD, theaerobics, where he had to look up, down, and all
colliculus is hyper-responsive, which causes inattentionaround, over and over again
and distractibility. Could the hyper-responsive SC alsoAfter about 3 months of doing this. His tracking was
be causing the problems with convergence andfaster, his letter reversals were much better, and his
tracking??handwriting was better. I believe that it is possible
When my son who has primarily inattentive ADHDthat, just like with biofeedback, we can train our
was seven years old we took him to an Occupationaleyes to perform better. If there is an eye/attention
Therapist (OT) His teachers were concerned becauseconnection maybe training the eye could in some
his handwriting was horrible and his gross motor skillsway help with attention.
were not great. They wanted me to make certainSome folks have proposed that the increased
that these problems were not related to an OTattention which results from taking a stimulant is
issue. The OT spent about 1 minute with him andcause by the depression of activity in the colliculus.
then came to tell me that he had something 'wrong'Could there possibly be some visual therapy that
going on with his eyes. She felt that his handwritingwould, like stimulants, calm that hyper-responsive
problems and gross motor problems were related tocolliculus and in the process increase out attention?
a convergence insufficiency and referred us to aCurrent ophthalmology research may provide
Developmental Optometrist.answers to some of these questions.