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In studies that used standardized definitions of convergence insufficiency, investigators have reported a prevalence of 4.2–6% in school and clinic settings. The standard definition of convergence insufficiency is exophoria greater at near than at distance, a receded near point of convergence, and reduced convergence amplitudes at near. [5]
Although glasses and/or patching therapy, exercises, or prisms may reduce or help control the outward-turning eye in some children, surgery is often required. A common form of exotropia is known as "convergence insufficiency" that responds well to orthoptic vision therapy including exercises. This disorder is characterized by an inability of ...
Suppression of an eye is a subconscious adaptation by a person's brain to eliminate the symptoms of disorders of binocular vision such as strabismus, convergence insufficiency and aniseikonia. The brain can eliminate double vision by ignoring all or part of the image of one of the eyes.
Accommodative insufficiency (AI) involves the inability of the eye to focus properly on an object. Accommodation is the adjustment of the curvature of the lens to focus on objects near and far. In this condition, amplitude of accommodation of a person is lesser compared to physiological limits for his age. [ 1 ]
2024 was packed with health care innovations, from a new blood test detecting Alzheimer’s disease to deep brain stimulation reversing paralysis. Heading into the New Year, medical experts are ...
There are two ways to record the PFR results, the first being the fusion range (break without recovery) and the other including break and recovery. Follow the examples below for guidance: Fusion range: PFR cc (6m) 8Δ BI → 20Δ BO; PFR sc (1/3m) 16Δ BI → 45Δ BO c diplopia; Break + recovery: PFR sc (6m) -8/6Δ → +20/15Δ c diplopia
A Missouri family has been awarded $310 million in damages after their 14-year-old son was killed riding a freefall amusement park ride in Florida in 2022.
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]