Glaucoma drainage device tube placement and extension in pediatric patients may be complicated by abnormal anterior segment anatomy and corneal opacities. The authors describe two techniques for placement and extension of non-valved glaucoma drainage device tubes using polypropylene suture as a guidewire and stabilizer, respectively. [J Pediatr Ophthalmol Strabismus. 2022;59(5):e62-e65.].
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