| / English Dictionary |
SCOTOMA
| Pronunciation (US): |  | (GB): | |
Irregular inflected form: scotomata
I. (noun)
Sense 1
Meaning:
An isolated area of diminished vision within the visual field
Classified under:
Nouns denoting stable states of affairs
Hypernyms ("scotoma" is a kind of...):
vision defect; visual defect; visual disorder; visual impairment (impairment of the sense of sight)
Hyponyms (each of the following is a kind of "scotoma"):
annular scotoma (a circular scotoma surrounding the center of the field of vision)
central scotoma (a scotoma that involves the fixation point)
hemianopic scotoma (a scotoma involving half of the visual field)
paracentral scotoma (a scotoma that is adjacent to the fixation point)
flittering scotoma; scintillating scotoma (a localized area of diminished vision edged by shimmering colored lights; in many people it indicates the onset of migraine)
Derivation:
scotomatous (relating to scotoma)
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