quadrantanopia
Loss of One Quarter of Vision
Plain-language definition
Loss of one quarter of the visual field in each eye, from injury to part of the optic radiation in the temporal or parietal lobe.
Read our full article on Quadrantanopia.
Where this term comes up
“Incomplete: Partial involvement (quadrantanopia)”
Finding · Homonymous Hemianopia
“Superior quadrantanopia: upper quarter lost”
Symptom · Visual Field Deficits
“Quadrantanopia (partial involvement)”
- Category
- Condition, finding, or disease process
- Also written as
- No alternate forms listed.
Pathology terms describe diseases, tissue changes, exam findings, or complications that can affect vision or eye comfort.
Related glossary terms
- homonymous
Same Side of Both Eyes
- chiasm
Optic Nerve Crossing
- hemianopia
Loss of Half of Vision
- altitudinal
Top or Bottom Half Loss
- macula
Central Retina
- MRI
Magnetic Resonance Imaging
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.