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KMID : 0360220120530050662
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Journal of the Korean Ophthalmological Society
2012 Volume.53 No. 5 p.662 ~ p.667
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Intraocular Pressure Measurement with the Noncontact Tonometer and Rebound Tonometer through Plano Soft Contact Lenses
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Lee Chang-Mok
Yoo Young-Cheol
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Abstract
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Purpose: To investigate the accuracy of intraocular pressure (IOP) measurement through a plano soft contact lens (SCL) in situ by a noncontact tonometer (NCT) and a rebound tonometer (RBT).
Methods: The IOP of 66 eyes of 33 subjects with no ocular pathology was measured by NCT (tonometer CT-80, TOPCON, Japan) and RBT (iCare rebound tonometryTM, Tiolat Oy, Finland). IOP measurement was repeated through plano SCL(ACUVUE OASYS®, Johnson & Johnson Vision Care Inc., USA) in situ. Statistical analysis was performed using the paired t-test.
Result: Mean IOP measured by NCT was 13.10 ± 2.52 mmHg without SCL and 12.95 ± 2.56 mmHg with SCL. Mean IOP measured by RBT was 14.13 ± 2.94 mmHg without SCL and 13.84 ± 2.75 mmHg with SCL. No significant statistical differences were found between IOP measured with and without SCL (p=0.47, p=0.11 respectively).
Conclusions: Reliable measurement of IOP by NCT and RBT can be achieved through plano SCL.
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KEYWORD
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Intraocular pressure, Noncontact tonometer, Rebound tonometer, Soft contact lens
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