preservision is backed by 20 years of clinical studies and its from the eye experts at bausch and lomb so, ask your doctor about adding preservision. and fill in a missing piece of your plan. like i did with preservision manhood looks different from guy to guy. but when yours bends in a different direction, ght be peyronis disease or pd. xiaflex is they fdat r apprriate adult mensease with peyronie s disease. or pd. along with daily penile stretching and straightening exercises, xiaflex has been proven to help gradually reduce the bend. don t receive if the treatment area involves your urethra, or if you re allergic to any collagenase or any of the ingredients. may cause serious side effects, including: penile fracture or other serious injury during an erection, and severe allergic reactions, including anaphylaxis. seek help if you have any of these symptoms. do not have any sexual activity during and for at least 4 weeks after each treatment cycle.