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KMID : 0360220150560040515
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Journal of the Korean Ophthalmological Society
2015 Volume.56 No. 4 p.515 ~ p.520
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Comparison of Ocular Biometry and Postoperative Refraction in Cataract Patients between Galilei-G6ⓡ and IOL Masterⓡ
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Lee Jung-Wook
Park Seung-Hun
Seong Min-Cheol
Cho Hee-Yoon
Kang Min-Ho
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Abstract
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Purpose: To compare the axial lengths, anterior chamber depths, and keratometric measurements and to predict postoperative refractions of Dual Scheimpflug analyzer Galilei G6ⓡ and intra ocular lens (IOL) Masterⓡ.
Methods: A total of 50 eyes in 50 patients who received cataract surgery were included in the present study. The axial length, anterior chamber depth, and keratometry were measured using 2 types of partial coherence interferometries (Galilei G6ⓡ and IOL Masterⓡ). The SRK/T formula was used to calculate IOL power and the predictive error which subtracts predictive refraction from postoperative refraction was compared between the ocular biometry devices.
Results: Axial lengths were 23.36 ± 0.80 mm and 23.36 ± 0.90 mm measured by Galilei G6ⓡ and IOL Master?, respectively. Axial length measured by Galilei G6ⓡ was not statistically significant compared with IOL Masterⓡ (p = 0.321). The anterior chamber depth and keratometry were 3.22 ± 0.35 mm and 44.29 ± 1.40 D measured by Galilei G6ⓡ and 3.11 ± 0.46 mm and 44.39 ± 1.41 D measured by IOL Masterⓡ, respectively. The differences of anterior chamber depth and keratometry between the 2 devices were statistically significant (p < 0.001 and p = 0.028, respectively). The mean absolute prediction errors were 0.45 ± 0.37 D and 0.49 ± 0.39 D in Galilei G6ⓡ and IOL Masterⓡ.respectively and was not statistically significantly different (p = 0.423).
Conclusions: The ocular biometric measurements and prediction of postoperative refraction using Galilei G6ⓡ were as accurate as with IOL Masterⓡ.
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KEYWORD
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Axial length, Galilei G6ⓡ, IOL Masterⓡ, Partial coherence interferometry
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