Hemianopsia
Jump to navigation
Jump to search
- The content on this page originated on Wikipedia and is yet to be significantly improved. Contributors are invited to replace and add material to make this an original article.
In medicine, a hemianopsia is a neurological sign (medical) on physical examination that is "partial or complete loss of vision in one half of the visual field(s) of one or both eyes."[1]
Classification
Subtypes include:
- Altitudinal hemianopsia, "characterized by a visual defect above or below the horizontal meridian of the visual field."[1]
- Homonymous hemianopsia "refers to a visual defect that affects both eyes equally, and occurs either to the left or right of the midline of the visual field."[1]
- Binasal hemianopsia "consists of loss of vision in the nasal hemifields of both eyes."[1]
- Bitemporal hemianopsia is the "bilateral loss of vision in the temporal fields."[1]
- Quadrantanopsia "refers to loss of vision in one quarter of the visual field in one or both eyes."[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Anonymous (2023), Hemianopsia (English). Medical Subject Headings. U.S. National Library of Medicine.