REFRACTIVE SURGERY PRK

Photorefractive Keratectomy or PRK has been proven to be a safe, precise and effective method of refractive surgery over a long period of time. Allen Eye Center uses state-of the-art excimer laser to gently reshape the corneal surface. This reshaping of the cornea helps the eye to focus properly, thus reducing or eliminating the need for contact lenses or glasses.

Patients in most cases are able to return to work in a matter of a few days. Most activities are resumed within two weeks unless otherwise advised by the doctor.

What is the difference between PRK and LASIK?

Both PRK and LASIK are forms of refractive surgery using the excimer laser. Both are successful in correcting nearsightedness and astigmatism. The primary difference is that there is no flap with PRK. This flap which is made with a microkeratome, if not precisely calibrated can result in irregular cuts or actual loss of the flap which can cause permanent visual loss.

What will I experience after the procedure?

After the surgery, patients may experience a mild burning in the eyes. A contact lens will be placed on the eye after the procedure for your comfort and protection for three days. Eye drops will be prescribed.

So why do people do LASIK?

The only advantage is the vision is restored quicker, 24 hours versus 3 days.

Why do I prefer PRK?

I feel PRK involves much less risk. With LASIK, it is necessary to increase the pressure in the eye to 60 to 80 mm Hg (the normal is 10 to 21 mm Hg). This could result in the closure of the artery and loss of sight. Also replacing the flap must be done carefully ensuring there are no irregularities.

What is involved prior to the procedure?

Prior to PRK a comprehensive consultation and medical eye examination are required. This entails a careful clinical evaluation by Dr Allen as well as a thorough discussion of the procedure.