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New, sensitive wind...
New, sensitive window on abnormal spatial vision: rarebit probing.
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- Frisén, Lars, 1939 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för klinisk neurovetenskap, Sektionen för oftalmologi,Institute of Clinical Neurosciences, Section of Ophtalmology
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(creator_code:org_t)
- 2002
- 2002
- English.
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In: Vision research. - 0042-6989. ; 42:15, s. 1931-9
- Related links:
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https://gup.ub.gu.se...
Abstract
Subject headings
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- Clinical tests have a poor sensitivity to low to moderate degrees of neuro-visual damage, possibly because their test targets involve numerous receptive fields. A new test used briefly exposed microdots of high contrast. Multiple visual field areas were probed repeatedly, with ever-new microdot positions. Normal subjects responded to a median 96.0% of probes. Patients with different visual field defects missed larger numbers of probes within defects and the deeper the defects, the larger the number of misses. Patients with minor chiasmal lesions averaged 1.8 times larger defects in microdot perimetry than in high-pass resolution perimetry, indicating superior sensitivity to minor damage.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Oftalmologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Ophthalmology (hsv//eng)
Keyword
- Adult
- Aged
- Case-Control Studies
- Contrast Sensitivity
- Humans
- Middle Aged
- Psychophysics
- Sensitivity and Specificity
- Vision Disorders
- diagnosis
- Visual Field Tests
- Visual Fields
Publication and Content Type
- ref (subject category)
- art (subject category)
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