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Representative histologic sections with H&E staining of a 16-mm blank (A) and a 16-mm PA-loaded (B) microrod at 12 weeks at the subconjunctival insertion site. There was a mild degree of fibrotic capsule formation, mononuclear cell infiltration, and giant cell infiltration around the microrods in all groups, but no excessive foreign body reaction was observed. Arrows indicate the degraded fragments of microrods. Original magnification: 200×; scale bar: 100 μm.
