What Is Laser Eye Surgery

Laser eye surgery is a painless procedure that reshapes the front of your eye - the cornea - to correct any visual problems. As a result, you will no longer need to wear glasses or contact lenses.

Let's take a closer look at how your eye works - and some of the more common problems people have with their sight.

Refractive errors can be divided into four categories:

Myopia or short sight
The range treated is usually ?
1.00 D to ?10.00D
Astigmatism or a mis-shapen cornea
Up to 6.00D can be treated
Hypermetropia or long sight
The range treated is usually
0.50D to 4.00D
Presbyopia or the need for reading glasses due to problem focusing up close