The goal of laser eye surgery is to change the shape the cornea so it does a better job of focusing images onto the retina for sharper vision. LASIK and PRK are two types of laser vision correction.
2. Bottlenose Dolphins. The cetacean family, consisting of dolphins and whales are considered the smartest animals inhabiting the ocean. The Bottlenose Dolphin lives in warm waters throughout the world and is the smartest species of dolphin. It has an extremely large brain and its cerebral cortex and frontal lobe are 40% bigger then a human.
While the blue whale and fin whale are the largest animals, the ocean has plenty of other large creatures. The largest fish (and largest shark) is the whale shark, which can grow to about 65 feet and weigh up to about 75,000 pounds. The largest jellyfish is the lion's mane jelly.