Comparison of outcomes of scleral fixation with and without pars plana vitrectomy for the treatment of dislocated intraocular lens

  • Seung Yong Choi
  • You Sook Hwang
  • Mirinae Kim
  • Soon Il Choi
  • Young-Hoon Park
Refractive Surgery



To investigate the surgical outcomes of scleral fixation with either pars plana vitrectomy (ppV) or anterior vitrectomy (AV) for the treatment of dislocated intraocular lens (IOL).


By retrospective review of electronic medical records, patients with in-the-bag spontaneous IOL dislocation who underwent IOL exchange with scleral fixation were included and grouped according to the vitrectomy method: ppV (group 1) and AV (group 2). Post-operative surgical outcomes including visual acuity (log MAR), spherical equivalent, and surgically induced astigmatism (SIA) and complications were investigated and analyzed.


After 6 months, post-operative measurements showed an average visual acuity of 0.16 ± 0.20, spherical equivalent of −1.48 ± 1.53D (diopters), and refractive shift of −0.19 ± 0.44D in group 1 (n = 19). There was no statistically significant difference between the measurements of group 1 and group 2 (n = 20) (0.10 ± 0.12, −2.00 ± 1.71D, −0.39 ± 0.57D, respectively) (p = 0.51, p = 0.29, p = 0.16, respectively). When analyzed by the algebraic and vector methods, group 1 did show a higher magnitude of surgically induced astigmatisms (1.61 ± 1.50D, 2.10 ± 1.03D, respectively) than did group 2 (0.49 ± 1.02D, 1.31 ± 0.83D respectively) (both p’s = 0.01). There was no significant difference in the incidence of complications except for vitreoretinal complications, which were higher in group 2 (25%), compared with group 1 (0%) (p = 0.047).


Both ppV and AV are appropriate options in patients who need IOL exchange with scleral fixation based on visual outcomes, refractive shifts, and complication rates. In terms of managing astigmatism, the AV procedure may be the better option.


Artificial lens implant dislocation Intraocular lens implantation Vitrectomy Astigmatism 


Compliance with ethical standards

Conflicts of interest

All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (Institutional Review Board of Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, IRB#KC17RESI0346) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.

Financial support

This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2016R1A6A1A03010528).


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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Seung Yong Choi
    • 1
  • You Sook Hwang
    • 1
  • Mirinae Kim
    • 1
  • Soon Il Choi
    • 1
  • Young-Hoon Park
    • 1
    • 2
  1. 1.Department of Ophthalmology and Visual Science, College of MedicineThe Catholic University of KoreaSeoulRepublic of Korea
  2. 2.Catholic Institute for Visual Science, College of MedicineThe Catholic University of KoreaSeoulRepublic of Korea

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