There are a lot of misconceptions about Laser use in Ophthalmology. Cataract Surgery is done with Laser. After cataract surgery, sometimes an 'after-cataract' develops due to posterior capsular opacification. This is treated with Laser. About Cataract surgery Laser is used for curing Myopia or short-sightedness .
Laser can only flatten the corneal curvature.
Due to this the focus of an image comes on the retina, so the refractive error is treated. But it is very crucial to remember that, the retinal and other changes associated with Myopia continue, so in a real sense Myopia is not cured. About Myopia Laser used for treatment of Diabetics causes painful burns. Laser causes burns on the retina. These burns are different from skin burns, which we are more familiar with.