- ring scotoma
- annular s.
Medical dictionary. 2011.
ring scotoma
Look at other dictionaries:
scotoma — Also known as negative scotoma. The term scotoma comes from the Greek noun skotos (darkness). It is used to denote an area or island of loss or impairment of vision, surrounded by a field of normal or relatively well preserved vision. In… … Dictionary of Hallucinations
scotoma — 1. An isolated area of varying size and shape, within the visual field, in which vision is absent or depressed. 2. A blind spot in psychological awareness. [G. skotoma, vertigo, fr. skotos, darkness] absolute s. a s. in which there is no… … Medical dictionary
annular scotoma — a circular scotoma surrounding the point of fixation; called also ring s … Medical dictionary
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