What is vision?
Vision is a category of perception which allows us the see the objects in space, let us feel ourselves also an element of the space. Vision is one of the most important perception which basically creates the reality. In a strict neuroscience definition, Vision is the ability of sensing the reflected light from the objects in space and construct them into images. Now a days, most vision scientist argues, vision is not only sensing the reflected light from objects through the photoreceptor and cortical neurons, rather it is a creative construction of our reality too. They emphasis on the term "creative" implying that might be the object is not completely visible to our eyes or not completely present in the space, but our brain creates the reality in such a manner thus it can be perceived as complete. This is the Gestalt psychologist's view of perception which suggest perception is not anatomical, rather holistic: an active and creative process goes beyond the retinal processing of captured light from objects.
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