scotoma
English Thesaurus
1. an isolated area of diminished vision within the visual field (noun.state)
| hyponym | : | annular scotoma, |
| definition | : | a circular scotoma surrounding the center of the field of vision (noun.state) |
| hyponym | : | central scotoma, |
| definition | : | a scotoma that involves the fixation point (noun.state) |
| hyponym | : | hemianopic scotoma, |
| definition | : | a scotoma involving half of the visual field (noun.state) |
| hyponym | : | paracentral scotoma, |
| definition | : | a scotoma that is adjacent to the fixation point (noun.state) |
| hyponym | : | flittering scotoma, scintillating scotoma, |
| definition | : | a localized area of diminished vision edged by shimmering colored lights; in many people it indicates the onset of migraine (noun.state) |
| derivation | : | scotomatous, |
| definition | : | relating to scotoma (adj.pert) |
| derivation | : | scotomatous, |
| definition | : | relating to scotoma (adj.pert) |
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