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KMID : 0360220210620081022
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Journal of the Korean Ophthalmological Society
2021 Volume.62 No. 8 p.1022 ~ p.1028
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Clinical Reliability of IOL Master 700 in Measurement of Pupil Diameter and Corneal Curvature
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Ryu Hee-Kyung
Shin Sun-Young
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Abstract
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Purpose: To compare IOL Master 700 with autokeratometer and video pupillometer in measurement of pupil diameter and corneal curvature.
Methods: Pupil diameter were measured with IOL Master 700 and video pupilometer, horizontal keratometry and vertical keratometry were measured with IOL Master 700 and autokeratometer in 100 eyes of 50 children. Paired t-test and Pearson's correlation analysis were used to compare the differences among the devices. Agreement between measurement was analyzed using Bland Altman plot and intraclass correlation coefficient.
Results: Comparing IOL Master 700 and video pupilometer for pupil diameter, there was no significant difference (p > 0.05).
There was also no significant difference between IOL Master 700 and autokeratometer in measurement of vertical keratometry (p > 0.05). However, regarding horizontal keratometry there was significant difference between IOL Master 700 and autokeratometer, horizontal keratometry measured with IOL Master 700 was steeper than with auto keratometer, +0.105 diopters (D) in right eye and +0.130 D in left eye (p < 0.05).
Conclusions: There was good agreement between IOL Master 700 and comparator instruments in regards to pupil diameter and corneal curvature. IOL Master 700 can be helpful in uncooperative children for measuring pupil diameter and corneal curvature at the same time.
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KEYWORD
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IOL Master 700, Keratometry, Pupillometry
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