With laser therapy for wet AMD the pupil is dilated using drops and an anaesthetic is given to numb the surface of the eye and on some cases to keep the eye from moving. A special contact lens is placed on the surface of the eye to help the surgeon see the retina. A high energy laser beam at the end of the tiny leaking blood vessels to seal them and to help stop them from growing. It is important to stop the spread of these vessels as quickly as possible. But depending on how close they are to the center of the macula, the patient may experience some further permanent blurring or loss of vision after the procedure. Of the patience with wet AMD who have the standard laser procedure it is likely that 50% of them will need a retreatment within 3 to 5 years.