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Vision therapy is a broad concept that encompasses a wide range of treatment types. [3] These include those aimed at convergence insufficiency – where it is often termed "vergence therapy" or "orthoptic therapy" – and at a variety of neurological, educational and spatial difficulties. [3]
The symptoms and signs associated with convergence insufficiency are related to prolonged, visually demanding, near-centered tasks. They may include, but are not limited to, diplopia (double vision), asthenopia (eye strain), transient blurred vision, difficulty sustaining near-visual function, abnormal fatigue, headache, and abnormal postural adaptation, among others.
A large-scale randomized clinical trial known as the Convergence Insufficiency Treatment Trial (CITT) found that office-based vision therapy combined with at-home therapy was more effective than placebo therapy (in-office placebo treatments) for improving symptoms and clinical signs of convergence insufficiency in children and adults.
As of 2017, 11 insurance companies offer plans through Covered California, however depending on the county in which an individual lives, the number of insurers can vary from two to seven. [32] A 2015 California Healthcare Foundation study found that the number of hospitals in an insurance network did not significantly affect the quality of care ...
However, not all health plans operating in California are under the jurisdiction of the DMHC; for example, some preferred provider organizations are regulated by the California Department of Insurance (CDI). Two state-based health insurance regulators is unusual in the United States, and has led to various additional work to synchronize laws. [3]
Binasal occlusion is used in treatment of patients with sensory deficits due to complications of traumatic brain injury or having had a stroke, as well as patients with diplopia, esotropia, convergence excess, divergence insufficiency, or visual overstimulation. [2]
California’s governor signed into law Sunday legislation requiring certain insurance providers to cover costs for infertility treatment and in vitro fertilization, his office announced ...
Accommodative excess may occur secondary to convergence insufficiency also. In convergence insufficiency near point of convergence will recede, and positive fusional vergence (PFV) will reduce. So, the patient uses excessive accommodation to stimulate accommodative convergence to overcome reduced PFV.