The present application relates to an electroporation device for injecting a product into a ciliary muscle of an eye said device comprising: a support (16) having a support contact surface (18) extending along a virtual sphere (S) having a radius between 10 and 15 mm so as to match the outside surface of an eye a first electrode (10) comprising an invasive electrode needle a second electrode having an electrically conductive electrode contact surface and an injection needle wherein the support comprises a rectilinear insertion guide (28) extending along an axis the axis defining an angle less than 40° with a plane tangential to the virtual sphere at the point where said axis crosses said virtual sphere.