What is PRK Surgery?

PRK Surgery (Photorefractive Keratectomy) is a type of laser eye surgery that is used to correct refractive errors such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. PRK is an alternative to LASIK eye surgery and is particularly suitable for individuals who may not be candidates for LASIK due to certain corneal characteristics.

Overview of the PRK surgery process:

1. Corneal Epithelium Removal:
   • In PRK, the surgeon begins by removing the thin outer layer of the cornea called the epithelium. This can be done using an alcohol solution, a special brush, or a laser.
2. Laser Reshaping of the Cornea:
   • Once the epithelium is removed, a laser is used to precisely reshape the cornea. The laser ablates or removes microscopic amounts of corneal tissue based on the patient’s refractive error. The goal is to correct the curvature of the cornea and improve the focus of light on the retina.
3. Healing Process:
   • Unlike LASIK, where a corneal flap is created, PRK does not involve creating a flap. Instead, the corneal surface is allowed to regenerate naturally. The healing process involves the growth of new epithelial cells over the treated area.
4. Post-operative Care:
   • Following PRK surgery, patients are given medicated eye drops to aid in the healing process and prevent infection. Recovery may take a bit longer compared to LASIK, and patients may experience temporary discomfort during the initial days.

Key considerations for PRK surgery include:

• Corneal Thickness: PRK may be a suitable option for individuals with thinner corneas who may not be ideal candidates for LASIK.
• Occupational Considerations: PRK may be recommended for individuals with occupations or lifestyles that carry a risk of corneal injury, as it eliminates the creation of a corneal flap.
• Healing Time: The initial visual recovery may take longer with PRK compared to LASIK. Patients typically experience optimal vision several weeks after the procedure.

PRK is a well-established and effective procedure for vision correction, and its suitability depends on individual factors. It’s important to consult with an experienced refractive surgeon or eye care professional to determine the most appropriate laser eye surgery option based on your eye health and lifestyle.

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