The symptoms and signs associated with convergence insufficiency are related to prolonged, visually demanding, near-centered tasks. Let’s look at one patient in particular who suffered from considerable dizziness and anxiety on the road and benefited greatly from a binocular vision exam. For a while he remained a quiet suffer, thinking that his symptoms were merely psychological. As unlikely as it sounds, the neural circuits that account for this are present in our own anatomy: we have interneurons that connect our oculomotor (eye-moving) nerves with our vestibular nerves. This struggle to maintain visual clarity was also conflicting with Steve’s vestibular system, contributing to his feelings of dizziness on the road and general imbalance. A history of car accidents or being a new driver are common reasons for stress behind the wheel. I feel uncoordinated and unsteady. In a disorder known as visual vertigo, patients report dizziness and unsteadiness triggered by certain visual stimuli. Vision and visual processing is a skill that can be taught efficiently, learned, and maintained. Over the years, Steve also started to notice that his dizziness occurred off the road, affecting his walking and overall coordination. How would you react if common stimuli were enough to cause you dizziness at a moment’s notice? Somewhere between 2 and 13 percent … Convergence insufficiency (CI) affects 2.25-8.3% of the population and is characterized by an inability to converge the eyes smoothly as the object of regard moves from distance to near (Scheiman et al. While the exact cause of CI is not known, it can come about as a result of a traumatic brain injury (TBI), infection, neurodegenerative disease or the use of certain medications. His symptoms may have only started when his eye muscles were finally unable to compensate for the imbalance, causing pronounced stress and dizziness under the high demands of driving. This might include questions about problems you have with focusing, blurred or double vision, headaches, and symptoms. Steve is a lawyer working for a firm in Cincinnati, Ohio. They’ve been called migraines. ): Specific triggers include merging on the highway, driving at high speeds, and seeing past glare. Convergence insufficiency is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence. Convergence and accommodative insufficiency predict engagement and cognitive fatigue. In addition, Kowal 81 documented the prevalence of accommodative dysfunction (16%) and convergence insufficiency (14%) in 161 patients shortly after head injury. Student t test, chi‐square, or nonparametric tests at the 0.05 level were used for statistical significance. 2. To see if you or your child has a functional vision problem, fill out our vision questionnaire. Convergence describes the way our eyes move together and point inward when we look at near objects. If so, you could be experiencing one of the many symptoms of. There are a lot of signs and symptoms for Convergence Disorder or Convergence Insufficiency. Eye coordination problems like convergence insufficiency generally cannot be improved with eye glasses or surgery. Anxiety can have many different causes. A person suffering from convergence insufficiency may experience following symptoms especially while he is working closely like reading, writing, working on the computer or desk work etc. Convergence insufficiency (CI) is a common, yet not frequently diagnosed eye coordination problem in which the eyes drift outward when reading or doing close work. 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