Complex sentence: Muscarinic antagonists dilate the pupil and relax the ciliary musscle, are used in treatment of inflammatory uveitis and it's associated glaucoma and are used to treat urinary incontinence and diseases characterized by bowel hypermotility such as irritable bowel syndrome.
Split into simpler sentences: Muscarinic antagonists dilate the pupil and relax the ciliary musscle, are used in treatment of inflammatory uveitis and it's associated with glaucoma. They are also used to treat urinary incontinence and diseases characterized by bowel hypermotility such as irritable bowel syndrome.