Abstract
The hydrophilic group was substituted with separation distance of 100μm in a porous poly-tetrafluoroethylene (PTFE) membrane by ArF laser irradiation. With the micro domain structure of hydrophilic and hydrophobic groups in the porous PTFE, the membrane was modified to be fibrin and fat- free. Furthermore, the differential osmotic pressure was controlled freely by changing the density of the hydrophilic group into the porous PTFE. As a result, we developed the glaucoma implant membrane that is free from fibrin and fat and inhibits the graft rejection in the human body.