The middle layer of a planet, such as Earth, lying around the outside of the core and under the crust. It is a plastic like material able to flow. On Earth it is 2885 km thick. It is made of silicate rocks rich in iron and magnesium. Above the mantle is the crust.
The two most common types of resurfacing lasers are: Carbon dioxide (CO2): This type of laser is used to treat wrinkles, scars, warts and other conditions.Erbium: This type of laser is used remove superficial and moderately deep lines and wrinkles on the face, hands, neck and chest. It causes fewer side effects than CO2 lasers.
Laser eye surgery is an umbrella term for several eye surgeries used to correct refractive errors (i.e., how your eye focuses light). The most common types of laser eye surgery include LASIK, PRK, LASEK and EpiLASIK. Each of the four laser eye surgery procedures below uses the same special laser, called an âexcimerâ laser, to reshape the cornea. This is what corrects vision. But laser eye surgery can vary in the specifics of the procedure, the recovery time, which surgical instruments are used and your patient candidacy.