Acute Pupil Asymmetry in a 6-month-old Boy

Physiologic anisocoria is present in 20% of the population, and the difference in size is not greater than 1 mm. Differential Diagnosis The evaluation of pupillary asymmetry frequently raises concern about structural lesions but the differential includes many other common entities. Exam Techniques A...

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Bibliographic Details
Published in:Pediatric annals 2009-11, Vol.38 (11), p.622-627
Main Authors: Osorio, Maria Joana, Zuckerbraun, Noel S., Painter, Michael
Format: Article
Language:English
Subjects:
Algorithms
Anticholinergics
Asymmetry
Babies
Brain
Cocaine
Diagnostic Tests
Electroencephalography
Etiology
Eye diseases
Glaucoma
Light
Magnetic resonance imaging
Mathematics
Measurement Techniques
Medical diagnosis
Motility
Motor Reactions
Neurological disorders
Patients
Pediatrics
Pharmacology
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Summary:Physiologic anisocoria is present in 20% of the population, and the difference in size is not greater than 1 mm. Differential Diagnosis The evaluation of pupillary asymmetry frequently raises concern about structural lesions but the differential includes many other common entities. Exam Techniques As the differential for pupil asymmetry in children is vast, and some of the causes are life-threatening, a structured and efficient evaluation is useful. Figure 2 depicts an algorithm for the evaluation of pupil asymmetry in children. Algorithm for the evaluation of pupil asymmetry in children Observe Pupillary Diameter in Bright and Dim Light. The oculovestibular reflex is performed by irrigation of the external auditory canal with cold water.
ISSN:0090-4481
1938-2359
DOI:10.3928/00904481-20091016-07