The following products are not medical devices () A contact lenses B prosthetics C cardiac stents D single-use sterile syringes.

A contact lenses are class III sterile, B prosthetics are class II, if only fixed frame, orthotics and what is a class, C cardiac stents needless to say it ultra-high risk class III, D single-use sterile syringes are also class III, in addition to a prosthesis are high-risk na. All of the above are medical devices.