iLASIK with Dr Trevor Gray





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Published on Feb 10, 2012

Myopia, hyperopia and astigmatism are focusing problems that make your vision blurry.  These can be corrected by using a precise Excimer laser (also known as a 'cold' laser) to gently smooth and reshape the cornea, which is the clear curved window at the front of your eye. 
Prior to having iLASIK laser vision correction, the first step is to make special measurements of your vision.  These are unique to your eye, and the patterns of your iris are used like a fingerprint as a safety check and to monitor your eye's precise position throughout the procedure.
Before the procedure starts, anaesthetic numbing drops and antibiotic drops are placed in you eye/s.  The eyelids are carefully cleaned with a special antiseptic and you will be taken through to the laser theatre. During the whole procedure your surgeon will reassuringly keep you informed about what you will need to do at each stage.
We will make you comfortable on a bed and you will be looking up. Your eyelids are gently held by special equipment during the procedure, and because the eye is numb you won't feel the need to blink your eyes.  

The next stage is the creation of a thin layer of the surface of your cornea using the IntraLase, a special painless femtosecond laser. Gently lifting this layer back enables access for the second laser, (the Excimer laser), to reshape the underlying corneal tissue and improve your vision. By creating this flap, iLASIK provides faster, more rapid healing than earlier forms of laser vision correction.

During the flap creation, you will feel a slight pressure sensation on your eye and you will notice how the light dims significantly.  This is not painful but is sometimes uncomfortable for a brief moment. The flap creation lasts only 30 seconds per eye.
In the final stage the flap is gently lifted back to allow the laser to reshape the cornea.  While the laser is working, you will hear a rapid popping/snapping sound and it is helpful if you keep looking towards the centre of the flashing orange light above you.  You will also often notice a strange smell, which is normal. When that part is complete, (10-50 seconds) the flap is replaced and gently smoothed into place.  It is still helpful if you continue to look at the flashing orange light during this time. 

After the procedure, we will make you comfortable in an easy chair and ask you to keep your eyes closed for several minutes. Following routine checks of your eyes, you can go home (or to your accommodation) to rest for a few hours.  It is helpful if you can close the eyes as much as possible during this time, except when you need to see to move around. 
You must return for a check up the following day (sometimes later the same day) and you should call your surgeon or a member of their team straight away if you have any concerns after the surgery.  You will notice that your new vision on the day of surgery is still very fuzzy; this is normal and improves hour by hour. Although it takes 2-4 weeks for total recovery of the vision, by the next day it is probable that you will be able to see to drive or return to work without the need for glasses.


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