The invention relates to a device for a medical treatment of a sclera, the device (100) comprising a curved disc or a belt (102), wherein the disc/belt is configured to be placed into the Tenons space the disc/belt is formed such that the inner surface of the curved disc/belt is superficially contactable to the surface of an area of the sclera so as to superficially cover said area and the disc/belt comprises one, two, three, four, or more independent channel systems (101).
