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Fig. 4 | Eye and Vision

Fig. 4

From: Long-term outcomes of two first-generation trabecular micro-bypass stents (iStent) with phacoemulsification in primary open-angle glaucoma: eight-year results

Fig. 4

Medication-free eyes and eyes with reductions of ≥ 0 and ≥ 1 medication(s), preoperatively until eight years postoperative. Bars represent the proportion of medication-free eyes (solid grey bars), eyes with medication reduction of ≥ 0 medication(s) (solid black bars), and reduction of ≥ 1 medication(s) (checked bars)

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Eye and Vision

ISSN: 2326-0254