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Corneal thickness for lasik surgery

Q: Can you please clarify the topic on Lasik surgery to correct vision (the Times of India article-http://timesofindia.indiatimes.com/articleshow.asp?art_id=17788521). How much is the minimal corneal thickness required for the surgery to be done? My power is -7 with cyl of -2. Is this amenable and would I have my corneas bulging out after surgery?

A:It is very misleading to give you figures for corneal thickness as this varies according to the individual pupil size and amount of refraction - number to be corrected. In thicker corneas a greater number can be corrected while a lesser amount can be corrected with thinner corneas. It is best to consult a reputed centre for an accurate and detailed testing to determine your suitability for the procedure. For every person undergoing LASIK, a corneal thickness, corneal shape, pupil diameter, refraction check and retinal examination is carried out. The overall eye health and general health is also kept in mind. If all this has been done there is no reason why a safe and good result, free from complications cannot be achieved.

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