American Journal of Ophthalmology AJO 2875 Page 24
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Legend for figures:
Figure 1. Eyes grouped according to follow-up periods.
Figure 2. Kaplan-Mayer survival curve of Ahmed valves for the entire patient population
(dashed-line represent confidence limits). Valves with qualified and unqualified success are
included.
Figure 3. Average number of glaucoma medications used postoperatively during the entire
follow up period.
Figure 4. Average intraocular pressure measurements during the entire follow up period.
