LASEK (or laser-assisted subepithelial keratomileusis) is a laser vision correction procedure that is similar to both LASIK and PRK. Like LASIK, LASEK can also be used to treat farsightedness, nearsightedness or astigmatism. It is also a type of laser presbyopia surgery when it is used for the treatment of age-related nearsightedness.
Cool Facts About The Large Grey Mongoose. The largest species of Mongoose in Africa, the Large Grey Mongoose, also commonly known as the Egyptian Mongoose, grows to nearly 90cm long with a 40cm long tail.
Yet even in such harsh conditions, the slow-growing Great Basin Bristlecone Pine can grow to a height of over 50 feet (16 meters), with a trunk diameter of 145 inches (368 centimeteres) and reach an age of over 5,000 years.