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Wide-field vitreoretinal surgery in eyes with Boston type 1 keratoprosthesis

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Abstract

Purpose

Vitreoretinal surgery in eyes with Boston type 1 keratoprosthesis (KPro) is challenging due to narrow optic of the KPro. This study analyzed the results of pars plana vitrectomy (PPV) using a wide-field imaging accessory, Resight®700 Fundus Viewing System (Carl Zeiss Meditec, Inc., Germany), for better intraoperative peripheral retinal imaging.

Methods

In this retrospective case series, KPro patients who underwent simultaneous or sequential PPV at Dokuz Eylul University Hospital between June 2010 and January 2020 were evaluated in terms of anatomic and visual prognoses, as well as KPro- and PPV-associated complications.

Results

Among 9 KPro eyes that necessitated vitreoretinal surgery, 3 (33.3%) underwent simultaneous KPro and PPV due to proliferative vitreoretinopaties; 6 (66.7%) underwent PPV for retinal detachment or suprachoroidal hemorrhage that appeared after KPro surgery. Retina could be attached in 7 eyes (77.8%), and vision improved in 3 eyes (33.3%). In 1 eye, injected silicone oil moved to subconjunctival area through glaucoma drainage device.

Conclusion

In eyes with a Boston KPro, wide-angle viewing systems helped handling peripheral retinal problems successfully during PPV, with no observed inadequacy of imaging. Despite anatomical success in most cases, visual prognosis depends on vitality of the macula and the optic disc.

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Availability of data and material

The datasets during and/or analyzed during the current study are available from the corresponding author upon reasonable request.

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Acknowledgements

We owe our former head of department, Prof Dr. Ferit Hakan Öner, a dept of gratitude for his generous support for the management of these challenging cases in our clinic and for our academic progress. Unfortunately, he passed away on August 2020, but his legacy will live with us forever.

Funding

No funding was available.

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Authors and Affiliations

  1. Department of Ophthalmology, Dokuz Eylul University, Mithatpasa cad No: 1606 Balcova, 35340, Izmir, Turkey

    Canan Asli Utine, Mahmut Kaya & Kıvanç Kasal

  2. Izmir Biomedicine and Genome Center, Izmir, Turkey

    Canan Asli Utine

Authors
  1. Canan Asli Utine
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  2. Mahmut Kaya
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  3. Kıvanç Kasal
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by [Canan Asli Utine], [Mahmut Kaya] and [Kıvanç Kasal]. The first draft of the manuscript was written by [Kıvanç Kasal], and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Canan Asli Utine.

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Conflict of interest

The authors declare that they have no competing interest.

Ethical approval

Dokuz Eylül University Ethical Committee Approval was obtained for this retrospective research (2020/28–34).

Consent to participate

Detailed signed informed consent was obtained from each subject before the surgery.

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Consent for publication was obtained from each subject upon admission to the hospital.

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Utine, C.A., Kaya, M. & Kasal, K. Wide-field vitreoretinal surgery in eyes with Boston type 1 keratoprosthesis. Int Ophthalmol 42, 997–1005 (2022). https://doi.org/10.1007/s10792-021-02083-7

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  • DOI: https://doi.org/10.1007/s10792-021-02083-7

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