An electroporation device for injecting a product into a ciliary muscle of an eye, said device comprising: a support having a support contact surface extending along a virtual sphere having a radius between 10 and 15 mm, so as to match the outside surface of the eye, a first electrode comprising an invasive electrode needle, a second electrode having an electrically conductive electrode contact surface, optionally an injection needle, wherein the support comprises an insertion guide configured to guide a sliding of said electrode needle and/or injection needle along a respective insertion axis, so that the angle between said insertion axis and a plane tangential to the virtual sphere at the insertion point is less than 40°, the insertion point being the point where said insertion axis crosses said virtual sphere.