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KMID : 0360220230640050374
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Journal of the Korean Ophthalmological Society
2023 Volume.64 No. 5 p.374 ~ p.381
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Efficacy of Biometry Using Swept-source Optical Coherence Tomography for Posterior Chamber Phakic Intraocular Lens Implantation
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Jo Min-Soo
Moon Ja-Yoon
Chung Sung-Kun
Kim Eung-Kweon
Park Kyu-Hong
Choi Jin-Seok
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Abstract
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Purpose: The proper implantable collamer lens (ICL) size affects ICL stability. This study compared device efficacy using white-to-white diameter (WTW) measurements with Orbscan II and IOL Master 700.
Methods: We retrospectively studied 90 eyes (45 patients) who underwent toric ICL implantation from January 2019 to February 2020 and were followed for 1 year. The correlation between WTW and anterior chamber depth (ACD) for each measuring device was analyzed.
Results: The mean WTW measured by IOL Master 700 and Orbscan II was 12.2 ± 0.3 and 11.6 ± 0.3 mm, respectively, while the mean ACD was 3.28 ± 0.16 and 3.20 ± 0.15 mm. The WTW and ACD measured with IOL Master 700 averaged 0.57 ± 0.12 and 0.08 ± 0.04 mm larger than with Orbscan II. The differences were significant and the regression analysis had high correlations (R2 = 0.875 and R 2 = 0.913, respectively; both p < 0.001).
Conclusions: WTW measured by the IOL Master 700 can be used as a reference either alone or together with the Orbscan II value to determine ICL size.
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KEYWORD
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Implantable collamer lens, IOL Master 700, Phakic intraocular lens, White to white diameter
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