Quantitative pupillometry: normative data in healthy pediatric volunteers - NeurOptics
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28 Feb Quantitative pupillometry: normative data in healthy pediatric volunteers

Posted at 02:30h in Critical Care by

Quantitative pupillometry: normative data in healthy pediatric volunteers

 

Category: Critical Care

 

Boev AN, Fountas KN, Karampelas I, Boev C, Machinis TG, Feltes C, Okosun I, Domopoulos V, Troup C, Quantitative pupillometry:  normative data in healthy pediatric volunteers., J Neurosurg. 2005 Dec;103(6 Suppl):496-500.

 

OBJECT: The authors describe the prospective use of a new hand-held point-and-shoot pupillometer (NeurOptics) to assess pupil function quantitatively. METHODS: Repetitive measurements were made in 90 pediatric participants ranging in age from 1 to 18 years, providing a total of 100 measurements under ambient light conditions. The participants consisted of 45 patients without known intracranial or ophthalmological pathological conditions as well as 45 volunteers in the outpatient setting. Quantitative pupil measurements were reliably replicated in the study participants. The mean resting pupil aperture was 4.11 mm and the minimal diameter after stimulation was 2.65 mm, resulting in a 36% change in pupil size. The mean constriction velocity was 2.34 mm/second, with a mean dilation velocity of 2.2 mm/second. CONCLUSION: Pupil symmetry was impressive in the entire cohort.

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