Laser eye surgery and the epithelium

Quite often called ophthalmic surgery, vision surgery, is a surgical treatment that is performed on the eye or vision region. This type of surgery, due to its nature, is typically carried out by an ophthalmologist; hence the original name ophthalmic surgery. For more information about Lasik Eye Surgery you can visit at http://eyelasersurgerysydney.com.au.

There are several different types of attention surgery. The most common are described below: PRK (Photorefractive Keratectomy): PRK surgery is when the most outside layer of the cornea is scraped away manually and an exciter laser is employed to restore the tissues located below the surface of the cornea.

 

 

After the corrective eye surgery is performed the exterior layer must be produced back, in order for the attention to be safeguarded again. Due to this, PRK is known for achieving a sizable recovery time. Right now there as some advanced methods available today that use a different exciter laser beam which vaporizes the epithelium, however it is not widely used.

LASEK (Laser Assisted Sub-Epithelial Keratomileusis) LASEK is advanced form of PRK(see below) that utilizes an alcoholic solution on the epithelium which softens the area before it is removed. With this procedure the epithelium can be replaces when the surgery is finished.

Epi-LASEK Epi-LASEK is similar to LASEK however it utilizes a type of barrier to preserve the epithelium layer, which can now be replaced after the surgery. The explanation for this extra step is to try and help cut down post-surgery discomfort, and improve the amount of time required for healing. 

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