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17.08.2021 | themenschwerpunkt

Evaluation of an intraoperative marking technique using the body axis as a reference

verfasst von: Magdalena Nenning, MD, Nino Hirnschall, MD, PhD, FEBO, Birgit Döller, MSc, Ralph Varsits, MD, BSc, Oliver Findl, MD, MBA, FEBO

Erschienen in: Spektrum der Augenheilkunde | Ausgabe 5/2022

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Summary

Background

The purpose of this study was to evaluate an intraoperative marking technique using the body axis as a reference to allow intraoperative toric intraocular lens (IOL) alignment without preoperative corneal marking.

Methods

Forty eyes of 40 patients scheduled for cataract surgery were included in this study. In all cases, cataract surgery was performed as standard and a monofocal non-toric IOL was implanted. Intraoperatively, after draping, the horizontal corneal meridian was set perpendicular to the body axis, which was used as a reference axis, and blue ink was applied to mark the assumed 180° axis in supine position. Accuracy of the marking was assessed from standardized retroillumination photographs taken immediately after surgery in the sitting position.

Results

Mean absolute deviation between the intraoperative marking and the assumed 180° horizontal meridian was 1.7° (SD: ±5.1°). Maximum deviation of the intraoperative marking was 16.2°.

Conclusion

Intraoperative marking using the body axis as a reference was on average reliable. However, significant misalignment was detected, so this method should be reserved for special cases in which preoperative marking is not feasible.

Nächster Artikel Outcomes of YAG anterior capsulotomy and surgical capsulectomy in the management of anterior capsular contraction syndrome

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Titel: Evaluation of an intraoperative marking technique using the body axis as a reference
verfasst von: Magdalena Nenning, MD
Nino Hirnschall, MD, PhD, FEBO
Birgit Döller, MSc
Ralph Varsits, MD, BSc
Oliver Findl, MD, MBA, FEBO
Publikationsdatum: 17.08.2021
Verlag: Springer Vienna
Erschienen in: Spektrum der Augenheilkunde / Ausgabe 5/2022
Print ISSN: 0930-4282
Elektronische ISSN: 1613-7523
DOI: https://doi.org/10.1007/s00717-021-00498-2

Springer Medizin Österreich

Summary

Background

Methods

Results

Conclusion

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