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AnisocoriaAka: Unequal pupils
- Definition
- Inequality between pupil diameters
- Differential Diagnosis: General
- Congenital
- Tabes dorsalis
- Trigeminal Neuralgia
- Carotid aneurysm
- Aortic aneurysm
- Unilateral intracranial mass
- Glaucoma
- Adie's Pupils
- Miosis (Pupil constriction) of one, but not the other
- Iritis
- Cervical sympathetic paralysis
- Miotic drug (e.g. Pilocarpine)
- Mydriasis (pupil dilatation) of one, but not the other
- Mydriatic drug (e.g. Atropine)
- Cranial Nerve III paralysis
- Acute Glaucoma
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| Definition (MSH) | Unequal pupil size, which may represent a benign physiologic variant or a manifestation of disease. Pathologic anisocoria reflects an abnormality in the musculature of the iris (IRIS DISEASES) or in the parasympathetic or sympathetic pathways that innervate the pupil. Physiologic anisocoria refers to an asymmetry of pupil diameter, usually less than 2mm, that is not associated with disease. |
| Concepts | Finding (T033)
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| ICD9 | 379.41 |
| English | Anisocoria, Pupil Diameter Unequal, PUPILLARY INEQUALITY, Pupillary Size Inequality, Unequal pupil diameter, Unequal pupils |
| Spanish | anisocoria, pupilas desiguales |
| Credits | Derived from the NIH UMLS (Unified Medical Language System)
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