The invention relates to an assembly comprising an orbital implant of substantially spherical shape intended to replace an eyeball after enucleation and / or evisceration and at least one suture thread, the implant consisting of a basic body (1) made of porous material, in particular which promotes colonization by the body, and a posterior or rear element (2) with through windows covering a part of the basic body, and the posterior element comprising a plurality of through windows through which the at least one suture thread passes for suturing the oculomotor muscles in and out of the space defined between the base body and the posterior element； the posterior element (2) with windows is fixed to the basic body and has at least a window, preferably a plurality of windows, in particular four windows (7)； the windows have respective edges, in particular respective lower edges and are at least partially defined and delimited by the basic body.
