We read with great interest the article by Hienert et al. concerning the possibility to make intraoperative aphakic eye axial length (AL) measurements using IOLMaster 700, a biometer that uses swept-source optical coherence tomography (SS-OCT) technology. This is a very interesting study because this technique could replace the need to execute ultrasound (US) biometry in cases of dense cataract, which are more difficult to perform and need more skill. However, we aslo make some comments here that could help us to understand their findings. The authors stated that intraoperative SS-OCT measurements were performed at 3 different timepoints: in the phakic, aphakic, and pseudophakic states. The authors forgot to mention if, for these purposes, the machine was set in a different way, namely phakic, aphakic, and pseudophakic modes, even if we could assume it.
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