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Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [1] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.
Principle of binocular vision with horopter shown. In biology, binocular vision is a type of vision in which an animal has two eyes capable of facing the same direction to perceive a single three-dimensional image of its surroundings. Binocular vision does not typically refer to vision where an animal has eyes on opposite sides of its head and ...
Frederick W. Brock (1899–1972), born in Switzerland, was an optometrist, a major contributor to vision therapy, and the inventor of various vision therapy devices including the Brock string. Brock's approach to treating eye disorders was crucial in paving the way to overcoming an erroneous but long-standing medical consensus that stereopsis ...
Binocular rivalry is a phenomenon of visual perception in which perception alternates between different images presented to each eye. [1] An image demonstrating binocular rivalry. If you view the image with red-cyan 3D glasses, the text will alternate between Red and Blue. 3D red cyan glasses are recommended to view this image correctly.
The United States Department of Veterans Affairs (VA) is a Cabinet -level executive branch department of the federal government charged with providing lifelong healthcare services to eligible military veterans at the 170 VA medical centers and outpatient clinics located throughout the country. Non-healthcare benefits include disability ...
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.
The Disabled American Veterans Homeless Veterans Initiative is supported by the DAV's Charitable Service Trust and the Columbia Trust, This initiative promotes the development of supportive housing and necessary services to assist homeless veterans become productive, self-sufficient members of society. The DAV works with Federal, state, county ...
Horopter in computer vision. In computer vision, the horopter is defined as the curve of points in 3D space having identical coordinates projections with respect to two cameras with the same intrinsic parameters. It is given generally by a twisted cubic, i.e., a curve of the form x = x (θ), y = y (θ), z = z (θ) where x (θ), y (θ), z (θ ...