Cause(s) of in Mydriasis:
Answer- C. Oculomotor nerve palsyCarbolic acid, Chloral hydrate, Organophosphorus, Morphine (opiate) and 'New Horn' i.e. neurosyphilis/tabes dorsalis (spinal miosis or small, irregular Argyll Robeson pupil) and Horner's syndrome, Oculomotor nerve palsy.Atropine and cocaine cause mydriasis.
Organophosphorus poisoning
Homer syndrome
Oculomotor nerve palsy
Parasympathetic stimulation