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Dichoptic perceptual training has been tested in order to stimulate the simultaneous use of both eyes. [1] In recent years, efforts have been made to develop methods of perceptual learning in vision therapy for treating interocular suppression and improving binocular vision in patients with anisometropic or strabismic amblyopia .
The Worth Four Light Test, also known as the Worth's four dot test or W4LT, is a clinical test mainly used for assessing a patient's degree of binocular vision and binocular single vision. Binocular vision involves an image being projected by each eye simultaneously into an area in space and being fused into a single image.
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 one views 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.
British neurologist Oliver Sacks lost his stereoscopic vision in 2009 due to a malignant tumor in his right eye and had no remaining vision in that eye. [6] His loss of stereo vision was recounted in his book The Mind's Eye, published in October 2010. [7] In 2012 one case of stereoblindness was reportedly cured by watching a 3D film. [8]
[1] Abnormal retinal correspondence (ARC), also called Anomalous retinal correspondence is binocular sensory adaptation to compensate for a long-standing eye deviation (i.e. strabismus ). The fovea of the straight (non-deviated) eye and non-foveal retinal point of the deviated eye work together, sometimes permitting single binocular vision.
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 ...
In contrast to an eye patch that occludes the whole visual field of one eye, binocular occlusion allows some degree of binocular vision; more particularly, it emphasizes the role of binocular functioning in peripheral vision: objects that are located to the right can only be fixated by the right eye, and those located to the left only by the ...
The most vital benefit of binocular vision is stereopsis or depth perception; however, binocular summation does afford some subtle advantages as well. By combining the information received in each eye, binocular summation can improve visual acuity, contrast sensitivity, flicker perception, and brightness perception. [1] Though binocular ...
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