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Photorefractive Keratectomy (PRK)

The photorefractive keratectomy (PRK) procedure reshapes the cornea to correct myopia (short-sightedness), hyperopia (farsightedness), and astigmatism (unevenly curved cornea). It aids in the reduction or elimination of the need for glasses or contact lenses. The goal of refractive surgery is to reduce the need for glasses and contact lenses rather than to eliminate refractive error entirely.

 

Why is it required?

It is an optional procedure. It is performed on patients who are fed up with relying on their glasses or contact lenses. It is an excellent procedure for thin, scarred, or irregularly shaped corneas with low refractive powers.

 

Benefits of the Photorefractive Keratectomy

  • It takes approximately 5 to 15 mins per eye for the procedure
  • Independent of glasses
  • Flapless/bladeless procedure
  • A suitable procedure for pilots, professional athletes, or other individuals in whom there is a higher risk of flap dislocation
  • No flap based complications

 

Preparations before Photorefractive Keratectomy

  • Patients should be above 18 years of age
  • Should have had stable refraction of +/- 0.5 D for 6 months
  • Should be off contact lenses for 2 weeks
  • Old glass power and present degree of refractive error ( before and after applying dilating drops) will be assessed
  • Pentacam scan – it will help evaluate the shape and thickness of the cornea
  • Dry eyes will be ruled out
  • Proper medical history regarding diabetes mellitus, pregnancy, thyroid disorder, abnormal wound healing, or chronic usage of any medicine should be informed to your doctor.
  • A thorough eye examination (anterior and posterior) will be done to rule out any abnormalities

 

Treatment method

The eyes are numbed with anesthetic drops. While the surgeon manually removes the top layer of the cornea, the patient is instructed to focus on the target light. The excimer laser is used to reshape the refractive power of the cornea. To reduce irritation and promote healing, a bandage contact lens is placed in the patient’s eye. Your doctor will remove the contact lenses 4-6 days after surgery.

 

Aftercare and Precautions Following Photorefractive Keratectomy

  • Following the surgery, your doctor will prescribe a series of eye drops and oral medications that you should take as directed.
  • The eye drops should be applied without bringing the bottle’s tip into contact with the eye.
  • After 4-6 days, the bandage contact lens will be removed. If the patient rubs their eyes, the contact lens will fall out. The patient should not replace the contact lens if it falls out. Meet with your doctor as soon as possible so that a new contact lens can be placed.
  • The vision may be a little blurry for the first few postoperative days due to epithelial formation, which is normal.
  • A normal diet should be followed
  • For the first 6 months, wear UV protective dark goggles when going outside.
  • Facewash and hair wash are to be avoided for one week
  • Avoid driving till your vision is absolutely clear
  • Makeup applications should be avoided for 1 month
  • Swimming should be avoided for 3 months.

 

 

Result of Photorefractive Keratectomy

The patient will regain his preoperative vision, but without the need for glasses.

 

 

To get your Oculoplastic Surgery done, visit Accra Specialist Eye Hospital – Voted the Best Eye Hospital in Ghana. Visit Accra’s Finest Eyecare Facility today!  Our Services include are Laser Eye Surgeries, Micro Incision Cataract, Surgery (Phaco), Retina Surgeries, Phaco (Cataract), Glaucoma Surgeries, Cornea Surgery – Transplant, Oculoplastic Surgery and Child Eye Care Services.

We're an eye specialist hospital dedicated to providing the best care for you and your eyes. At Accra Specialist Eye Hospital, we are committed to delivering accessible and comprehensive eye care, to the highest possible standards. Our Expertise & Services Offered are Laser Eye Surgeries, Micro Incision Cataract, Surgery (Phaco), Retina Surgeries, Phaco (Cataract), Gluacoma Surgeries, Cornea Surgeru - Transplant , Oculoplastic Surgery and Child Eye Care Services. We're located at Tantra Hill - Accra.