<prompt> Shortest acting mydriatics:AtropineHomatropineTropicamideCyclopentolate  <response>: Ref: KDT, 8th ed. pg. 130Agents which dilate the pupillary diameter in order to facilitate fundoscopy are known as mydriatics. These are anti-muscarinic class of drugs.Anti-muscarinic drugs used in ophthalmologyDrugDuration of Effect daysAtropine7-10Scopolamine3-7Homatropine1-3Cyclopentolate1Tropicamide0.25 days 6 hrsThese agents have mydriatic as well as cycloplegic action both.Strongest cycloplegic is: AtropineCycloplegic agent of choice in child: Atropine child age group has strong ciliary musclesCycloplegic agent of choice in adults: Tropicamide 