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. 2023 Jun 21;17:1691–1699. doi: 10.2147/OPTH.S405924

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© 2023 San Pedro et al.

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Ahmed Glaucoma Valve Implantation using the LNT technique (A–G). (A) AGV was sutured in place using Vicryl 8–0 and Nylon 9–0 sutures; (B) A 2 (L) × 4 (W) mm scleral flap was created 2 mm anterior to the edge of the plate; (C) G-23 needle was used to create a long needle track; (D) Bevel tip of the G-23 needle near the limbus; (E) Entry of G-23 needle to the anterior chamber parallel to iris plane; (F) Ahmed tube was cut leaving 1–1.5 mm of visible tube inserted in the AC.