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KMID : 1813520150040010009
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Journal of the Korean Glaucoma Society
2015 Volume.4 No. 1 p.9 ~ p.13
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Comparison of the New Rebound Tonometer with Tonopen in Pediatric Population in the Supine Position
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Kim Ko-Eun
Yoo Yung-Ju
Jeoung Jin-Wook
Park Ki-Ho
Kim Dong-Myung
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Abstract
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Purpose : To investigate the clinical usefulness of a new rebound tonometer, Icare® PRO (Icare PRO), in comparison with tonopen (Tonopen AVIA®) in infants and young children in the supine position.
Methods : Sixty (12 healthy and 48 glaucoma) eyes of 30 children with less than 4 years of age were included. Intraocular pressure (IOP) measurements were conducted in the supine position using Icare PRO and tonopen by 2 blinded, independent examiners. Correlation between the tonometers was examined by generalized estimating equation. Bland-Altman plot was used to evaluate the IOP measurement agreement between the tonometers.
Results : Mean age at the time of IOP examination was 1.4 ± 1.1 years. Significantly good correlation was shown between the IOP measurements by Icare PRO and tonopen (r = 0.880, p < 0.001). Bland-Altman analysis showed the mean IOP difference between Icare PRO and tonopen as 1.7 mmHg with 95% limits of agreement of ?5.5 to 8.9 mmHg. In addition, IOP difference did not vary according to the IOP extent.
Conclusions : For pediatric subjects in the supine position, IOP measurements by Icare PRO demonstrated a good agreement with those by tonopen. Icare PRO can be a considered as a safe and reliable method for IOP measurement in pediatric patients in the supine position.
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KEYWORD
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Lcare PRO rebound tonometry, Tonopen, Pediatric patient, Supine position
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