| positive scotoma | A scotoma that is perceived as a black spot within the field of vision. (05 Mar 2000) |
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| hemianopic scotoma | A scotoma involving half of the central field. (05 Mar 2000) |
| scintillating scotoma | A localised area of blindness edged by brilliantly coloured shimmering lights (teichopsia); usually a prodromal symptom of migraine. See: fortification spectrum. Synonym: flittering scotoma. (05 Mar 2000) |
| Seidel's scotoma | A form of Bjerrum's scotoma. See: Seidel's sign. (05 Mar 2000) |
| sickle scotoma | A comet-shaped scotoma, occurring in glaucoma, attached at the temporal end to the blind spot or separated from it by a narrow gap; the defect widens as it extends above and nasally curves around the fixation spot, and then extends downward to end exactly at the nasal horizontal meridian. Synonym: Bjerrum's sign, sickle scotoma. (05 Mar 2000) |
| negative scotoma | A scotoma that is not ordinarily perceived, but is detected only on examination of the visual field. (05 Mar 2000) |
| quadrantic scotoma | A scotoma involving a quarter segment of the central visual field. (05 Mar 2000) |
| zonular scotoma | A curved scotoma not corresponding to the path of retinal nerve fibres. (05 Mar 2000) |
| flittering scotoma | A localised area of blindness edged by brilliantly coloured shimmering lights (teichopsia); usually a prodromal symptom of migraine. See: fortification spectrum. Synonym: flittering scotoma. (05 Mar 2000) |
| scotoma |
a blind spot, or area of diminished sensitivity in the visual field.
출처: www.mdsupport.org/glossary2.html
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| scotoma |
The "blind spot" in human vision corresponding to the region where the optic nerve enters the eye, ie, the oval-shaped area about 2 millimeters in diameter with no rods or cones. You can "map" your blind spot simply by closing one eye and gazing at a small object across the room. Hold a Q-Tip at arm's length directly in front of the object and slowly move it out to the right exactly horizontally. The white cotton will vanish when it is about 18 degrees out. ...
출처: www.keithyates.com/glossary.htm
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| scotoma |
An impairment to vision a blind spot caused by diminished or total lack of function of the retina or optic nerve in a limited area. It may be unnoticed (Mariotte's blind spot) or be seen as a black area in the visual field.
출처: www.eyecaretyler.com/knowmore.htm
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| scotoma |
An area of partial or complete loss of vision surrounded by an area of normal vision.
출처: www.eyedocfinder.com/visionterms.htm
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| scotomagraph |
an instrument for recording a scotoma.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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