Anopsia
An anopsia 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.
| 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 |
Types of partial anopsia:
- Hemianopsia
- Homonymous hemianopsia
- Heteronymous hemianopsia
- Superior hemianopia
- Inferior hemianopia
- Quadrantanopia
Etymology
The term anopsia comes from the Ancient Greek ἀν- (an-), "un-" and ὄψις (opsis) "sight".
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References
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