Abstract
Intraoperative optical coherence tomography (iOCT) is used extensively in complex anterior segment surgery, providing increased precision and thereby more safety and improved clinical outcomes. In lamellar keratoplasty, the successful application of iOCT has already been described [1]. For example, the iOCT can be used for defining the cutting depth of deep anterior lamellar keratoplasty (DALK) or for visualization of potential fluid in the interface in Descemet stripping automated endothelial keratoplasty (DSAEK) [2], [3], [4]. Moreover, for the correct corneal graft positioning in Descemet membrane endothelial keratoplasty (DMEK), a marker was previously required. The iOCT allows recognition of the corneal graft orientation and further observation of the unfolding process of the graft without the need for marking [1], [5].
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