According to such circumstance, if the myopia degree is as high as 1000 degrees, you had better go to oculist see a doctor and undertake an eye exam to see whether this kind of circumstance can have laser operation.
Is there any astigmatism? The person of serious myopia can have an operation, but if there is astigmatism, myopia may not be able to get complete correction, I suggest you to go to regular hospital for diagnosis and treatment. Before the operation, comprehensive examination should be undertook.
If the myopia degrees have been stable, surgery can be performed and the appearance of eyes will not change. After high myopia patient finishes an operation, there is 5% odds to suffer the phenomenon of regressive eyesight, so it is important to protect your eyes.