<prompt> Causes of in Mydriasis:Organophosphorus poisoningHomer syndromeOculomotor nerve palsyParasympathetic stimulation  <response>: Answer- C. Oculomotor nerve palsyCarbolic acid, Chloral hydrate, Organophosphorus, Morphine opiate and New Horn i.e. neurosyphilistabes dorsalis spinal miosis or small, irregular Argyll Robeson pupil and Horners syndrome, Oculomotor nerve palsy.Atropine and cocaine cause mydriasis. 