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. 2014 Aug 28;99(2):258–262. doi: 10.1136/bjophthalmol-2013-304717

Figure 4.

Figure 4

Kaplan–Meier survival plots for ab interno trabeculectomy (AIT) (left) and phacoemulsification cataract surgery combined with AIT (phaco-AIT) (right) with success defined as a final intraocular pressure of less than 21 mm Hg and a greater than 20% reduction from baseline without further surgery.