World's Finest Eye Drops

The World's Finest Eye Drops are a quest item from The Legend of Zelda: Ocarina of Time. Part of the quest for Biggoron's Sword, the World's Finest Eye Drops are obtained by giving the Eyeball Frog to the Marine Biologist in the Lakeside Laboratory. They must then be quickly delivered to Biggoron on the Death Mountain Summit. if Link does not deliver them within the set time limit, they will spoil, and Link will have to retrieve more from the Marine Biologist. When Link successfully delivers the eye drops, Biggoron will thank Link, give him a Claim Check, and go to work on making his Biggoron's Sword.