Xen

The XEN GEL Implant (Allergan Inc., CA, USA) is an FDA approved implant that is inserted into the eye to connect the inner eye fluid with the outside area under the conjunctival. It has a 6-mm hydrophilic tube of collagen-derived gelatin cross-linked with glutaraldehyde. It has with a 45micron internal diameter and an external diameter that expands […]