anisocoria
Pupils of Unequal Size
Plain-language definition
Pupils that differ in size. Can be benign or signal a nerve problem; the difference in light vs. dark helps localize the cause.
Read our full article on Anisocoria (Unequal Pupils).
Where this term comes up
“Anisocoria (an-eye-so-KOR-ee-uh) is the medical term for unequal pupil size.”
Symptom · Unequal Pupil Size (Anisocoria)
“Unequal pupils (anisocoria) can be physiologic, medication-related, traumatic, or a sign of a neurologic emergency.”
Guide · Understanding Pupil Abnormalities - When Unequal Pupils Need Attention
“Unequal pupils (anisocoria): affected pupil larger (see understanding pupil abnormalities)”
Condition · Adie's Tonic Pupil
- 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.
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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.