The British journal of ophthalmology
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Comparative Study
Outcomes of deep anterior lamellar keratoplasty following successful and failed 'big bubble'.
The most popular technique for deep anterior lamellar keratoplasty (DALK) is the 'big bubble' (BB) technique wherein air is injected in the cornea to create a bubble that separates Descemet's membrane (DM) from the stroma. An attempt to create a BB often results in the cornea being filled with numerous small bubbles without the formation of a BB. Manual dissection is then required to complete the procedure. The aim of the study is to compare these two groups, successful BB versus failed bubble (FB) dissection to determine whether the clinical outcomes were different. ⋯ In DALK, manual lamellar dissection is a reasonable alternative when BB separation of the DM is not achieved.