Medicine:Anopsia
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Short description: Defect in one's visual field
| Anopsia | |
|---|---|
| Other names | Anopia |
 | |
| Scheme showing central connections of the optic nerves and optic tracts. (Lesions at different locations relate to different types of anopsias.) | |
| Specialty | Neurology |
An anopsia (from grc ἀν- (an-) 'without', and ὄψις (opsis) 'sight') is a defect in the visual field. If the defect is only partial, then the portion of the field with the defect can be used to isolate the underlying cause.
Types of partial anopsia:
- Hemianopsia
- Homonymous hemianopsia
- Heteronymous hemianopsia
- Superior hemianopia
- Inferior hemianopia
- Quadrantanopia
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