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PRK (PhotoRetractive Keratectomy)

Updated: Jul 23, 2024

PRK (PhotoRetractive Keratectomy), a form of refractive surgery, is utilised to address vision issues such as nearsightedness, farsightedness, and astigmatism. It has the potential to decrease your reliance on eyeglasses or contact lenses. Here is the procedure:

 

Stage 1: An area of epithelium is removed from the front of the cornea, revealing the stroma beneath, using the excimer laser.


Stage 2: The excimer laser carefully reshapes the stromal layer of the cornea to improve your vision. At our practice, we also offer the option to customise your treatment plan with advanced techniques like Wavefront or Topography guided profiles.


Stage 3: A protective contact lens is gently placed on the cornea to ensure the eye is shielded during the recovery process and to support the regeneration of the epithelium.


In contrast to LASIK, PRK does not require the creation of a corneal flap. Instead, the outer layer of the cornea (epithelium) is delicately lifted to reveal the underlying corneal tissue for reshaping.

 

BEFORE THE PROCEDURE:

An ophthalmologist will carefully assess the health of your eyes, examining various aspects such as corneal thickness, pupil size, and refractive error. Your suitability for the procedure determines if the surgery is the best fit for your eye condition Book a free consultation today.


AFTER THE PROCEDURE:

Patients are advised to adhere to the post-operative instructions given by their surgeon. These instructions may involve the use of medicated eye drops, refraining from rubbing the eyes, and attending follow-up appointments to track the healing process.


You and the accompanying person will be taught how to take care of your eyes and apply your eye drops securely before you leave for home. We will closely track your progress during your follow-up appointments and provide personalised guidance for your aftercare. Patients need five to seven days off work on average, even when they were previously visually functioning, before they feel prepared to resume their regular routine. Every person's eyes are unique, and the healing process can differ for each individual. Our clinical team will provide you with detailed instructions during your consultation, as well as help you prepare for surgery and guide you during your aftercare appointments.

 

RECOVERY PROCEDURE:

The recovery period for PRK is longer compared to LASIK. Some discomfort, blurry vision, and light sensitivity may be expected as part of the healing process. Visual acuity typically improves over the course of a few weeks. It is important to carefully follow the post-operative instructions provided by your ophthalmologist.

 

ELIGIBILITY FOR THE PROCEDURE:

-        Individuals who are at least 18 years old (preferably over 21 when vision stabilises).

-        Consistent eye prescription (unchanged for the past year).

-        Healthy corneas and overall eye health.

 

INELIGIBLE CLIENTS:

-        Pregnant/breastfeeding.

-        Unstable refractive error.

-        Corneal scars.

-        Advanced Glaucoma.

-        Uncontrolled Diabetes.


PRK is widely regarded as a secure and efficient procedure for individuals who wish to decrease their reliance on glasses or contact lenses. However, it's crucial for patients to have a thorough eye examination and consultation with a skilled eye surgeon to determine if PRK is the appropriate choice for their vision correction requirements. Kindly book a consultation today.


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