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Figure 1: (a) a localized, elevated, thin bleb with peripheral scar tissue (thin arrows) showing a “ring of steel” appearance with subconjunctival fluid (star) indicating a localized bleb; (b) a well-formed, low-lying diffuse bleb at 2-week follow-up after bleb needling

Figure 1:  (a) a localized, elevated, thin bleb with peripheral scar tissue (thin arrows) showing a “ring of steel” appearance with subconjunctival fluid (star) indicating a localized bleb; (b) a well-formed, low-lying diffuse bleb at 2-week follow-up after bleb needling