Outcomes of deep anterior lamellar keratoplasty for keratoconus: learning curve and advantages of the big bubble technique.

Purpose:To evaluate retrospectively the outcomes of a case series of deep anterior lamellar keratoplasties by air dissection (DALK-AD) using the big bubble (BB) technique, in the surgical treatment of keratoconus (KC).Methods:Forty-four consecutive keratoplasties of 42 patients for KC were performed