case_images: PMC11182133_01
case_images: A 23-year-old man who underwent a right inferior Ahmed valve/non-valved exchange. (A) Preoperative image showing an inferior encapsulated Ahmed valve. (B) Postoperative image showing an improved appearance after exchange for a non-valved glaucoma drainage device (GDD).
case_images: fopht-04-1361898-g001.jpg
case_images: PMC11182133_01_fopht-04-1361898-g001.jpg
case_images: f1
case_images: The patient was extremely dissatisfied with the cosmetic appearance due to fibrosis and encapsulation of the inferonasal AGV plate that was visible in the primary gaze ( Figure 1A ). The patient was very happy with the results of the surgery and the appearance of his eye following the exchange ( Figure 1B ).
case_images: PMC11182133_02
case_images: An 8-year-old girl who underwent bilateral inferior Ahmed valve/non-valved exchange. (A) Preoperative image showing inferior encapsulated Ahmed valves. (B) Postoperative image showing an improved appearance after exchange for non-valved glaucoma drainage devices (GDDs).
case_images: fopht-04-1361898-g002.jpg
case_images: PMC11182133_02_fopht-04-1361898-g002.jpg
case_images: f2
case_images: The family and the patient started to notice the fullness and unacceptable cosmesis of both eyes (see  Figure 2A ). The patient and her parents were happy with the cosmesis after the exchange in both eyes ( Figure 2B ).