hemianopia
Loss of Half of Vision
Plain-language definition
Loss of half of the visual field in each eye, usually from a problem behind the eyes in the brain.
Where this term comes up
“Bitemporal hemianopia is a specific pattern of vision loss affecting the outer (temporal) visual fields of both eyes.”
Finding · Bitemporal Hemianopia
“Affects peripheral vision in both eyes (bitemporal hemianopia)”
Condition · Pituitary Tumor
“Scotomas are blind spots; hemianopia means half the visual field is missing”
Symptom · Visual Field Deficits
- Category
- Condition, finding, or disease process
- Also written as
- hemianopsia
Pathology terms describe diseases, tissue changes, exam findings, or complications that can affect vision or eye comfort.
Related glossary terms
- chiasm
Optic Nerve Crossing
- MRI
Magnetic Resonance Imaging
- homonymous
Same Side of Both Eyes
- bitemporal
Outer Vision in Both Eyes
- ischemia
Reduced Blood Supply
- demyelination
Nerve Insulation Damage
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.