Photorefractive Keratectomy (PRK) abroad
What is photorefractive keratectomy?
Many patients use photorefractive keratectomy (PRK) as a way to restore myopia or nearsightedness using refractive surgery . It is also used for hyperopia or farsightedness, and astigmatism. PRK was the pioneering laser eye surgery, used for vision correction and came before LASIK . PRK recovery takes a bit longer than recovery from LASIK eye surgery. PRK is still commonly performed and offers advantages over LASIK for some patients. Much the same with LASIK and other laser eye surgery systems, the functions of PRK is that by using the excimer laser, the cornea is reshaped, by allowing light to enter the eye in order to properly focus onto the retina for clear vision.
What are the differences between PRK and LASIK?
The key difference between PRK and LASIK is that in LASIK surgery, a thin flap is created on the cornea to access the treatment area. In PRK the cornea's entire epithelial (outer) layer is removed to expose the area. Here, no flap is created. For both PRK and LASIK, the excimer laser is then used to sculpt the layer of the cornea in order to be corrected. The amount of time it takes for a PRK procedure is 10 minutes per eye. Afterwards, the patient can expect 20/20 vision without glasses. The recovery time of each procedure takes from seven days to seven weeks. The procedure also costs between $1500 and $2500 per eye. There is alternatively a different version of PRK, called LASEK which is also available.
This means that rather than removing the cornea's outer epithelial layer as with PRK, LASEK is used to lift the epithelial layer. This is achieved by using a surgical instrument called a trephine. This way, it is preserved during surgery and then replaced on the eye's surface at the end of the procedure. LASEK has decreased in popularity due to vision taking longer to recover compared with PRK. This is because in LASEK, the substituted epithelial layer has a longer process of recovery than the growth of a new layer in PRK.,
There are many factors that can affect the costs
Following are the best 10 hospitals for Photorefractive Keratectomy (PRK) in the world:
|1||Sri Ramachandra Medical Center||India||Chennai||---|
|3||Medipol Mega University Hospital||Turkey||Istanbul||---|
|4||HELIOS Dr. Horst Schmidt Hospital Wiesba...||Germany||Wiesbaden||---|
|5||Chelsea and Westminster Hospital||United Kingdom||London||---|
|6||Hospital Sirio Libanes||Brazil||Sao Paulo||---|
|7||As-Salam International Hospital||Egypt||Cairo||---|
|8||Bellevue Medical Center||Lebanon||Beirut||---|
|9||Metro Hospital and Heart Institute, Noid...||India||Noida||---|
|10||Global Hospital Perumbakkam||India||Chennai||---|
Following are the best doctors for Photorefractive Keratectomy (PRK) in the world:
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The information on this page was reviewed and approved by Mozocare team. This page was updated on 16 Jun, 2020.