A limbus-based half-thickness scleral flap [5 mm (circumference)×7 mm (radius)] was next prepared. A silicone tube that was designed for lacrimal surgery (external/internal diameter, 0.64/0.3 mm ...

The surgical technique is similar to trabeculectomy but does not require a sclerostomy or iridectomy; instead, the device is inserted into the anterior chamber under a scleral flap. The ...