Deep level pneumatic dissection may improve success rate of big bubble procedure

Successful big bubble formation is possible when the cannula tip is inserted at an advanced level during pneumatic dissection, according to a study.The retrospective, noncomparative, interventional case series included 100 patients with consecutive keratoconus. All patients underwent deep anterior lamellar keratoplasty using the big-bubble technique, followed by anterior segment optical coherence tomography.

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