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Different types of big bubbles during DALK

Poster Details

First Author: T.Katamish EGYPT

Co Author(s):                  

Abstract Details


Retrospective evaluation of different types of Big Bubbles during DALK in 100 cases. classification of bubbles depends on many factors: - progressive or explosive bubbles - Big bubbles after single, 2nd, 3rd or even 5th air injections - ordinary or inverted big bubbles - challenging cases of big bubbles


: Ophthalmology Department - Cairo University, EGYPT and Al-Nour Eye Hospital, Cairo Egypt


Deep Anterior Lamellar Keratoplasty (DALK) was done in 100 cases using the Big Bubble Technique using sharp needle in the early cases replaced later by blunt cannula.


- failure to obtain big bubble in 15% - progressive big bubble in 10% - explosive big bubble in 70% (40% single injection, 20% 2nd injection, 8% 3rd injection and 2% after 5th injection ) - complicated mechanics in 4% - inverted big bubble in 1%


Big Bubble formation during DALK takes different shapes depending on many factors during air injection

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