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The most common application for this is the treatment of strabismus. By moving the image in front of the deviated eye, double vision can be avoided and comfortable binocular vision can be achieved. Other applications include yoked prism where the image is shifted an equal amount in each eye.
Where appropriate, orthoptic exercises (sometimes referred to as Vision Therapy) can be used to attempt to restore binocularity. Where appropriate, prismatic correction can be used, either temporarily or permanently, to relieve symptoms of double vision.
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.
Incomitant strabismus cannot be fully corrected by prism glasses, because the eyes would require different degrees of prismatic correction dependent on the direction of the gaze. Incomitant strabismus of the eso- or exo-type are classified as "alphabet patterns": they are denoted as A- or V- or more rarely λ -, Y- or X-pattern depending on the ...
Intellectual disability (ID), also known as general learning disability (in the United Kingdom) and mental retardation, is a generalized neurodevelopmental disorder characterized by significant impairment in intellectual and adaptive functioning that is first apparent during childhood.
Spectacle correction For those with large degrees of anisometropia, the wearing of standard spectacles may cause the person to experience a difference in image magnification between the two eyes ( aniseikonia ) which could also prevent the development of good binocular vision.
Most individuals with ZTTK syndrome are identified early in childhood due to developmental delays and intellectual disabilities. However, a formal diagnosis of intellectual disability can only be conducted by a performance of an IQ test score of below 70.
OpenAI on Monday announced its latest artificial intelligence large language model that it says will make ChatGPT smarter and easier to use. The new model, called GPT-4o, is an update from the ...
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.
In the United States, any person with vision that cannot be corrected to better than 20/200 in the best eye, or who has 20 degrees or less of visual field remaining, is considered legally blind or eligible for disability classification and possible inclusion in certain government sponsored programs.