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.
Ghost shrimp donât make the 10-best tropical fish for beginners list, but they do get an honorable mention for being an interesting addition to any aquarium. Sometimes called glass shrimp, these little scavengers are super-easy to care for, and you can basically drop them in your tank and forget about them.