Photorefractive Keratectomyor PRK eye surgery is a type of laser procedure, frequently performed to treat the patient’s sight problems and decrease their dependency on contact lens or glasses. While performing the PRK eye surgery, a precise excimer laser is used to modify the shape of the cornea, effectively correcting any refractive errors such as astigmatism, farsightedness, and nearsightedness.
PRK eye surgery and LASIK eye surgery are very similar procedures, but there are different advantages and disadvantages to each procedure.
PRK surgery has several advantages that involve:
● It can be performed for the patients who have a very thin cornea
● No risk of corneal flap complications
● Less depth of laser treatment, compared to LASIK
Also, PRK surgery has few disadvantages that include:
● It has a longer recovery period than LASIK
● A longer time is needed for the patients to gain their full vision
● The risk for the infection after the operation is higher
● There are more temporary side effects than LASIK
Photorefractive Keratectomy or PRK eye surgery can be performed for the patients who are:
● Over 18 years old
● Patients who are not pregnant during the operation
● Suffering from myopia with dioptres between -1.00 and -12.00
● Suffering from a stable refraction error – it has not changed for at least 12 months
● Patients with a complete understanding of the procedure and its results
● Patients who have a pupil that’s 6 mm or less
Also, PRK surgery is suggested for patients who are suffering from hyperopia or astigmatism as well.
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