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The vitreous humour, or vitreous body, is a jelly-like, transparent substance that fills the majority of the eye. It lies within the vitreous chamber behind the lens, and is one of the four optical components of the eye. [8] Thus, floaters follow the rapid motions of the eye, while drifting slowly within the pocket of liquid. [9]
It fills both the anterior and the posterior chambers of the eye, and is not to be confused with the vitreous humour, which is located in the space between the lens and the retina, also known as the posterior cavity or vitreous chamber. [2] Blood cannot normally enter the eyeball. [3]
In addition to water, the vitreous consists of salts, sugars, vitrosin (a type of collagen), a network of collagen type II fibrils with glycosaminoglycan, hyaluronan, opticin, and a wide array of proteins. Despite having little solid matter, the fluid is substantial enough to fill the eye and give it its spherical shape.
This phenomenon is because light sources tend to shine from above the subject. Delboeuf illusion: An optical illusion of relative size perception. The two black circles are exactly the same size; however, the one on the left seems larger. Disappearing Model: A trompe-l'œil body painting by Joanne Gair. The dress
Within the vertebrate eye, there are considered to be three chambers: anterior, posterior, and vitreous. The eye can also be classified as having two cavities: anterior and posterior. Both the anterior and posterior chambers are located within the anterior cavity, while the vitreous chamber is located in the posterior cavity. The best way to ...
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Two different theories have been put forward to explain the filling-in completion phenomenon. One theory, addressed as the "isomorphic filling-in theory" according to the definition of Von der Heydt, Friedman et al. (2003), postulates that perception is based on an image representation held in a two dimensional array of neurons, typically ...
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