Sunday, March 30, 2008

How does unfold itself the intervention to the Lasik

You will arrive to the welcome about ½ hour before the treatment beginning. You will have no medicine to take except if you are is anxious (itself), a calm (Atarax) then will be able to be prescribed. Useless to instill eyedrops in the eyes the preceding days the treatment. Only an eyedrops anesthetic to anaesthetize the cornea (only party of the operated on eye) will be instilled some minutes before the treatment. Most often, the non treated eye is masked in order to facilitate the fixing of the beam laser with the eye in treatment course. After slipping on one takes for a ride, you will have accompanied (accompagné(e)) to the pad opératoire. For technical reasons and of asepsis, the room temperature is of about 18°. You will be able therefore to keep a shirt under takes for a ride it. It next will have asked you to lengthen you and to position the head horizontally under the laser. The eye will be disinfected with Bétadine (please to warn in case of allergy to the iodine) and anesthetic drops and antibiotics will be instilled in the eye treated. Your eye next will be positioned perfectly directly in line with the beam laser and one will ask you to look at a small red light. This is this light that it will be necessary well to set up during the intervention. After protecting your eyelashes using a fabric sticking, a small instrument (blépharostat) will help you to maintain the open eyelids and to not to blink eyelids during the intervention. A small plunger (or pneumatic ring) next will be affixed on your eye. This plunger masks the light and you will not see progressively practically more eye as long as the plunger will be put over. This plunger, that allows setting up the eye and to realize the cut of the superficial strip of your cornea, will be withdrawn after around fifteen seconds. It will be necessary then well to look at the red light of the beam laser. The laser is equipped of an Eye tracker that allows the laser to follow your eye even if it budges. If you budge too during the intervention, the laser stops itself automatically which is an additional security. The treatment can resume next. It is nevertheless always preferable well to look in the red light in order to shorten the time of the treatment laser. This time varies according to the importance of your myopia, of your hypermétropie or of your astigmatism. In average this treatment lasts 1 to 4 minutes. At the end of the treatment laser the small cut strip to the previous one will be replaced and drops of antibiotics will be instilled on the eye. About 15 to 20 minutes after the intervention, we will assure ourselves that the strip did not move itself owing to the blinking of the eyelids or friction of the eye. If you wish it, the second eye will be able to be treated during the same meeting, which is the case more frequent. Immediately following the intervention, you will note the myopia disappearance, astigmatism and/or hypermétropie. Nevertheless, your vision will not be net, for it always exists a small edema of the cornea after the intervention. It will be necessary to await some hours to see correctly. Nevertheless, in some rare cases, the vision becomes net after some days.

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