| Features | Immediate reduction of intraocular pressure. Unique, non-obstructive valve system to prevent excessive drainage, chamber collapse. Implanted in a true, single-stage procedure. Aqueous percolation holes. Tapered profile for easy insertion. Made of medical grade silicone. Silicone plate. Thinner plate. | Immediate reduction of intraocular pressure. Unique non-obstructive valve system to prevent excessive drainage, chamber collapse. Implanted in a true, single-stage procedure. Eliminates drainage tube ligature sutures, "rip-chord" sutures, occluding sutures. | Immediate reduction of intraocular pressure. Unique non-obstructive valve system to prevent excessive drainage, chamber collapse. Implanted in a true, single-stage procedure. Eliminates drainage tube ligature sutures, "rip-chord" sutures, occluding suture. Used for Pediatrics or small globes. | Model PS2 and PS3 Valves already integrated with Pars Plana Clip. Reduces preptime for posterior chamber insertions. Clip is fully adjustable along tube length. Easily suture on sclera. Clip allows the tube not to kink. | Model PS2 and PS3 Valves already integrated with Pars Plana Clip. Reduces preptime for posterior chamber insertions. Clip is fully adjustable along tube length. Easily suture on sclera. Clip allows the tube not to kink. |
| Material | Made of medical grade silicone. Silicone plate. | Made of medical grade silicone. Silicone plate. | Made of medical grade silicone. Silicone plate. | Made of medical grade silicone. Silicone plate. | Made of medical grade silicone. Silicone plate. |