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a–c : Right (a ) and left eye (b ) of a patient with severe PDR and bilateral NVG refractory to topical and oral IOP-lowering therapy requiring bilateral glaucoma drainage device implantation. Two tube shunts are present in the left eye with persistent NVI with inferior dyscoria and ectropion uvea after dense PRP and repeated VEGF inhibitor injection. c High magnification of the left eye shows NVI and the tip of tube shunt.
