Mydriasis is/are caused by:: (A) Homer syndrome, (B) Neurosyphilis, (C) Organophosphorus poisoning, (D) Atropine
Answer is D. D i.e. Atropine Pinpoint pupils are seen in - 'Car Chlor Or Mor' i.e. Carbolic acid, Chloral hydrate, Organophosphorus, Morphine (opiate)Q and 'New Horn' i.e. neurosyphilis/tabes dorsalis (spinal miosis or small, irregular Argyll Robeson pupil) and Horner's syndrome. Atropine and cocaine cause mydriasisQ Barbiturate poisoning 1/t constricted & reacting pupils which dilate during terminal asphyxiaQ