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Anterior segment pigmentation attenuated after trabeculectomy during the follow-up visits. (a) Heavy homogeneous trabecular meshwork pigmentation at enrollment. (b) Trabecular meshwork pigmentation attenuated 8 years after trabeculectomy. (c) Lenticular pigmentation (Zentmayer ring) at enrollment. (d) Decreased lenticular pigmentation at last follow-up visit (8 years after surgery). (e) Krukenberg spindle at initial diagnosis. (f) Attenuated Krukenberg spindle at last follow-up visit.
