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Chinese Journal of Ophthalmologic Medicine(Electronic Edition) ›› 2019, Vol. 09 ›› Issue (03): 153-159. doi: 10.3877/cma.j.issn.2095-2007.2019.03.005

• Original Article • Previous Articles     Next Articles

The use of OPD-Scan Ⅲ with mesopic/phtopic pupil analysis system in assessment of SBL-3 multifocal intraocular lens

Yiyun Liu1, Tong Sun2, Yufei Gao3, Siyi Ma2, Siyuan Qin2, Chuhao Tang2, Tianshu Lu1, Hong Qi4,()   

  1. 1. Doctor′s degree 2019, Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
    2. Bachelor′s degree 2015, Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
    3. Doctor′s degree 2017, Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China
    4. Department of Ophthalmology, Peking University Third Hospital, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing 100191, China
  • Received:2019-05-07 Online:2019-06-28 Published:2022-03-23
  • Contact: Hong Qi

Abstract:

Objective

The aim of this study was to evaluate a new method to assess the orientation and centration of SBL-3 intraocular lens using with OPD-Scan Ⅲ.

Methods

The design of the study was retrospective. 33 age-related cataract patients (66 eyes) underwent phacoemulsification and SBL-3 intraocular lens implantation in Department of Ophthalmology, Peking University Third Hospital from June 2017 to July 2018 were included. In this retrospective study, the refraction distribution and mesopic/phtopic pupil analysis system of OPD-Scan Ⅲ were used to assess the distribution of the near segment and the distance segment and centration of SBL-3 intraocular lens with two veterans of operating equipment at 3 months post-operation. Intra-class correlation coefficient (ICC) and Bland-Altman method were used to assess the reliability and consistency of this method. The center of SBL-3 and visual axis were used to assess the centration of SBL-3 intraocular lens. The placement of SBL-3 is defined as the transition zone between the near and distant segment measured by refractive distribution.

Results

In this study, there is no statistically significant difference between two operators (Z=-0.994, P>0.05). And the ICC was 0.950 (P<0.05). Bland-Altman 95% limits of agreement (LoA) were 7.0°. There is no significant difference on the distance and angle between two operators on these factors (t=1.659, P>0.05; Z=-1.253, P>0.05). And the ICC was 0.913 and 0.607 (P<0.05), respectively. Bland-Altman 95% LoA were 0.17 mm and 348.2°, respectively.

Conclusion

This new metheod to assess the orientation and centration distance of SBL-3 intraocular lens using OPD-Scan Ⅲ has shown that there was a good reliability and consistency. The measurement of centration angle had a good consistency but medium reliability.

Key words: Cataract, Multifocal intraocular lens, Segmental refractive, Centration, Orientation

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