visual disorder

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  • visual defect — noun impairment of the sense of sight • Syn: ↑visual impairment, ↑vision defect, ↑visual disorder • Hypernyms: ↑disability, ↑disablement, ↑handicap, ↑impairment …   Useful english dictionary

  • visual impairment — noun impairment of the sense of sight • Syn: ↑visual defect, ↑vision defect, ↑visual disorder • Hypernyms: ↑disability, ↑disablement, ↑handicap, ↑impairment …   Useful english dictionary

  • Visual snow — is a transitory or persisting visual symptom where people see snow or television like static in parts or the whole of their visual fields, especially against dark backgrounds. It is much like camera noise in low light conditions. The severity or… …   Wikipedia

  • Visual extinction — is a neurological disorder characterised by severe impairment in identifying two or more visual stimuli displayed briefly at the same time. Patients having this condition can successfully identify single objects presented to them briefly. In case …   Wikipedia

  • Visual impairment — Classification and external resources ICD 10 H54 ICD …   Wikipedia

  • Visual agnosia — is the inability of the brain to make sense of or make use of some part of otherwise normal visual stimulus and is typified by the inability to recognize familiar objects or faces. This is distinct from blindness, which is a lack of sensory input …   Wikipedia

  • visual hallucination —    Also referred to as vision. Both terms are indebted to the Latin noun visio, which means sight. They are used to denote a hallucination of sight. Historically, visual hallucinations have been divided into a multitude of types. Using their… …   Dictionary of Hallucinations

  • Visual memory — Close up of the human eye, where vision begins. Visual memory describes the relationship between perceptual processing and the encoding, storage and retrieval of the resulting neural representations. Visual memory occurs over a broad time range… …   Wikipedia

  • Visual thinking — Picture thinking, visual thinking or visual/spatial learning is the common phenomenon of thinking through visual processing. Thinking in pictures, is one of a number of other recognized forms of non verbal thought such as kinesthetic, musical and …   Wikipedia

  • visual perseveration —    Also known as perseveration. Both terms are indebted to the Latin verb perseverare,which means to maintain or to keep on stating. The term visual perseveration was introduced in or shortly before 1949 by the British neurologist Macdonald… …   Dictionary of Hallucinations

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