<prompt> Which of the following is the shoest acting mydriatic?AtropineTropicamideCyclopentolateHomatropine  <response>: Ref:KD Tripathi pharmacology 6th edition page.no: 111 Tropicamide has the quickest 20-40 min and briefest 3--6 hours action but is a relatively unreliable cycloplegic. However, it is satisfactory for refraction testing in adults and as sho acting mydriatic for fundoscopy. for infants and children, atropine must be used for fundoscopy 