PRK (Photorefractive Keratectomy) is a laser eye surgery that corrects vision problems like nearsightedness, farsightedness, and astigmatism. It reshapes the cornea, improving how light focuses on the retina. Unlike LASIK, PRK does not create a corneal flap, making it suitable for individuals with thinner corneas or certain eye conditions.
The First Few Days of Healing
The initial phase of PRK recovery spans 3 to 7 days. During the procedure, the outermost corneal layer, the epithelium, is gently removed to reshape underlying tissue. This removal is a key difference from LASIK.
Patients commonly experience discomfort, blurry vision, and light sensitivity. Tearing may also occur. A bandage contact lens is placed on the eye immediately after surgery; this lens shields, reduces discomfort, and promotes epithelial regrowth. The corneal epithelium usually regrows within 3 to 5 days. Once healed, the bandage contact lens is removed by the eye care specialist.
Months to Visual Clarity
While initial corneal surface healing is quick, achieving full visual clarity and stability after PRK takes several weeks to months. After epithelial regeneration, vision gradually improves but may fluctuate. Patients might experience temporary haze, glare, or halos around lights, which usually diminish as the eye heals.
This longer phase involves visual refinement as the eye adapts to its new shape and deeper corneal layers stabilize. Internal eye structures change to support the new corneal curvature. Most patients observe significant visual improvement within the first month, but complete stabilization of vision can take three to six months, or up to a year for some.
What Affects Your Healing Time?
Several factors influence PRK healing. Age plays a role, as younger individuals often heal faster. Overall health also contributes; pre-existing eye conditions like dry eye syndrome or systemic issues can prolong recovery.
The severity of the refractive error also impacts healing; higher prescriptions may require more corneal reshaping, which can lead to a longer recovery. Individual physiological responses vary, with some healing more quickly or experiencing fewer side effects. Adhering to post-operative instructions promotes smoother healing.
Supporting Your Recovery
Supporting recovery after PRK optimizes healing and visual outcomes. Consistent use of prescribed eye drops is a cornerstone of post-operative care. This regimen includes antibiotic drops to prevent infection, steroid drops to reduce inflammation and haze, and lubricating artificial tears for comfort. Follow your surgeon’s specific schedule for each drop type.
Avoid activities that could interfere with healing. Do not rub your eyes, as this can disrupt the healing surface or dislodge the bandage contact lens. Avoid swimming, hot tubs, or heavy lifting for several weeks to prevent infection and minimize eye strain. Wear protective eyewear, like sunglasses outdoors, to shield eyes from UV rays and reduce light sensitivity. Attend all scheduled follow-up appointments to monitor progress and ensure proper healing.