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.
The megalopa later moults into a stage one crab. Stage one crabs are only about 4 mm wide, but frequent moults mean that they grow very quickly. It is thought that wild mud crabs grow to around 10 cm in width in about a year and become sexual mature in about two years.The typical life span of a mud crab is thought to be three to four years.he megalopa later moults into a stage one crab. Stage one crabs are only about 4 mm wide, but frequent moults mean that they grow very quickly. It is thought that wild mud crabs grow to around 10 cm in width in about a year and become sexual mature in about two years.