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What is another word for positive scotoma?

Pronunciation: [pˈɒzɪtˌɪv skətˈə͡ʊmə] (IPA)

A positive scotoma, often referred to as a blind spot, is a visual disturbance where a person experiences a localized absence or loss of vision. However, there are several synonymous terms used to describe this phenomenon. One alternative term is scintillating scotoma, which signifies the presence of shimmering or flashing lights in the visual field. Another synonym is fortification scotoma, which represents an irregular zigzag pattern observed during an episode. Some individuals may use the phrase "aura without headache" to describe positive scotoma. Despite the varying terms, they all denote the same visual abnormality characterized by temporary blind spots accompanied by visual effects such as bright lights, colors, or geometric shapes.
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What are the opposite words for positive scotoma?

A positive scotoma is an area of partial or complete absence of vision or blind spot that is surrounded by areas of normal or corrected vision. The antonyms for positive scotoma are negative scotoma and no scotoma. A negative scotoma refers to an area of vision that is completely normal or has no defects or blind spots whatsoever. A no scotoma refers to a condition where there is no absence or impairment of visual fields, hence, no blind spots. While a positive scotoma may occur due to various factors, including physical and neurological causes, its antonyms represent normal or corrected vision without any form of defects or impairments.

What are the antonyms for Positive scotoma?

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