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Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation

  • Authors:
    • Ziyang Wang
    • Wenli Yang
    • Dongjun Li
    • Wei Chen
    • Qi Zhao
    • Yifeng Li
    • Rui Cui
    • Lin Shen
    • Junfang Xian
  • View Affiliations / Copyright

    Affiliations: Beijing Ophthalmology and Visual Sciences Key Lab, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, P.R. China, Department of Radiology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 326
    |
    Published online on: February 5, 2021
       https://doi.org/10.3892/etm.2021.9757
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Abstract

In the present study, the axial length (AL), corneal curvature, anterior chamber depth (ACD) and white‑to‑white (WTW) distance were assessed using the Pentacam AXL (Oculus Optikgeraete GmbH), a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry (PCI). The Pentacam AXL and PCI biometer (IOLMaster 500; Carl Zeiss AG) were compared in terms of their intraocular lens (IOL) power calculations. The medical records of patients (eyes, n=190) who underwent cataract surgery were retrospectively reviewed. Biometry measurements involved the eyes of patients with cataract and were performed by the same examiner with the Pentacam AXL biometer and the IOLMaster 500 device. Following determination of the AL, mean keratometry (Km), ACD and WTW distance, the IOL power calculation was compared between the two devices using the Sanders, Retzlaff and Kraff theoretical (SRK/T) and Haigis formulas. The AL, Km and WTW values for the Pentacam AXL group were significantly lower compared with those of the IOLMaster 500 group. The difference was ‑0.02±0.04 mm, ‑0.20±0.28 D and ‑0.10±0.20 mm, respectively (P<0.001). The ACD for the Pentacam AXL group was higher compared with that of the IOLMaster 500 group with a difference of 0.02±0.13 mm (P=0.13). The IOL power calculated using the SRK/T and Haigis formulas exhibited significant differences between the two devices (t=11.48 and 10.97, respectively; P<0.001). In conclusion, the AL, ACD, WTW measurement and IOL power indicated optimal agreement and strong correlations between the two devices. However, constant optimization may be necessary for the novel biometer Pentacam AXL.
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Copy and paste a formatted citation
Spandidos Publications style
Wang Z, Yang W, Li D, Chen W, Zhao Q, Li Y, Cui R, Shen L and Xian J: Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation. Exp Ther Med 21: 326, 2021.
APA
Wang, Z., Yang, W., Li, D., Chen, W., Zhao, Q., Li, Y. ... Xian, J. (2021). Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation. Experimental and Therapeutic Medicine, 21, 326. https://doi.org/10.3892/etm.2021.9757
MLA
Wang, Z., Yang, W., Li, D., Chen, W., Zhao, Q., Li, Y., Cui, R., Shen, L., Xian, J."Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation". Experimental and Therapeutic Medicine 21.4 (2021): 326.
Chicago
Wang, Z., Yang, W., Li, D., Chen, W., Zhao, Q., Li, Y., Cui, R., Shen, L., Xian, J."Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation". Experimental and Therapeutic Medicine 21, no. 4 (2021): 326. https://doi.org/10.3892/etm.2021.9757
Copy and paste a formatted citation
x
Spandidos Publications style
Wang Z, Yang W, Li D, Chen W, Zhao Q, Li Y, Cui R, Shen L and Xian J: Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation. Exp Ther Med 21: 326, 2021.
APA
Wang, Z., Yang, W., Li, D., Chen, W., Zhao, Q., Li, Y. ... Xian, J. (2021). Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation. Experimental and Therapeutic Medicine, 21, 326. https://doi.org/10.3892/etm.2021.9757
MLA
Wang, Z., Yang, W., Li, D., Chen, W., Zhao, Q., Li, Y., Cui, R., Shen, L., Xian, J."Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation". Experimental and Therapeutic Medicine 21.4 (2021): 326.
Chicago
Wang, Z., Yang, W., Li, D., Chen, W., Zhao, Q., Li, Y., Cui, R., Shen, L., Xian, J."Evaluation and comparison of a novel Scheimpflug‑based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation". Experimental and Therapeutic Medicine 21, no. 4 (2021): 326. https://doi.org/10.3892/etm.2021.9757
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