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A case of Ahmed glaucoma valve implant with partial buckle resection and plate fixation to the buckle Reina Kobayashi 1 , Keisuke Nitta 1 , Hideo Akiyama 1 1Department of Ophthalmology, Gunma University School of Medicine pp.1049-1053
Published Date 2025/8/15
DOI https://doi.org/10.11477/mf.037055790790081049
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Abstract Purpose:To describe a safe method for implanting the Ahmed Glaucoma Valve(AGV) in highly myopic eyes with a history of encircling surgery for retinal detachment.

Case:A 56-year-old man with high myopia(axial length:30.99 mm) in the left eye. At 30 years of age, encircling surgery was performed using silicone strips(#220, #240, and #270) for retinal detachment, followed by vitrectomy for recurrence. Cataract surgery was performed at 47 years of age. Retinal detachment recurred, requiring additional vitrectomy and silicone oil injections at 55 years of age. Silicone oil was removed at a concentration of 56. Subsequently, intraocular pressure in the left eye increased to 44 mmHg, necessitating AGV implantation. The silicone-encircling band was located 11 mm from the corneal limbus, and a 6-mm segment was excised. The remaining edges of the encircling band were left on the sclera, to which the AGV plate was sutured and secured with a 7-0 nylon thread. The AGV tube was inserted into the pars plana. Three months postoperatively, the intraocular pressure(IOP) in the left eye decreased to 7 mmHg.

Conclusion:IOP reduction was safely achieved through partial buckle resection and AGV fixation to the residual buckle in highly myopic eyes with a history of encircling surgery. This method prevents interference between the buckle and AGV while avoiding direct sclera suturing, thereby reducing the risk of scleral perforation.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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