PRK recovery is slower than LASIK because the outer layer of your cornea (the epithelium) is completely removed during surgery and has to regrow from scratch. That regrowth takes two to three days, but full visual stabilization can take three months or longer. You can’t rush biology, but you can create the best possible conditions for your eyes to heal quickly and avoid the setbacks that slow people down.
What the Recovery Timeline Actually Looks Like
Understanding the normal milestones helps you set realistic expectations and recognize when things are on track. The first two to three days are the hardest. Your cornea is essentially an open wound, and most people keep their eyes closed roughly 90% of the time during this stretch. It’s less about sharp pain and more that keeping your eyes open feels exhausting.
Day four is typically the turning point. The excessive watering stops, and you can keep your eyes open comfortably for most of the day. By your one-week follow-up, vision is often around 20/50 to 20/60, and your surgeon will remove the bandage contact lens if it hasn’t fallen out on its own. From there, clarity improves gradually over weeks and months. Many PRK patients reach 20/20 or better by the three-month mark, but it’s a slow, steady buildup rather than a dramatic overnight improvement.
Use Your Eye Drops Exactly as Prescribed
Your surgeon will send you home with several types of drops: an antibiotic to prevent infection, a steroid to control inflammation, and sometimes an anti-inflammatory pain drop for the first couple of days. After the first week, you’ll typically switch to a longer-term steroid drop that continues for up to 12 weeks. Each of these plays a specific role in healing, and skipping doses or stopping early is one of the most common ways people derail their own recovery.
Steroid drops in particular do double duty. They reduce inflammation and help prevent corneal haze, a clouding of the cornea that can develop after PRK and temporarily blur your vision. In surveys of ophthalmologists, prolonged steroid use was one of the top methods used to prevent haze, alongside UV protection and vitamin C. Stick to the schedule your surgeon gives you, even once your eyes feel fine.
Stay Aggressive With Artificial Tears
Preservative-free artificial tears are one of the simplest things you can do to speed healing. A clinical trial comparing PRK patients who used preservative-free drops five times daily (roughly every four hours) against a control group found that the drop users had faster visual recovery, less corneal haze, and fewer complications overall. The drops create a more stable environment for new epithelial cells to regenerate, which translates directly into quicker healing and less discomfort.
Use preservative-free tears specifically. Drops with preservatives can irritate a healing cornea, which is the opposite of what you want. In the first week, you may need them far more often than five times a day. If your eyes feel dry or gritty, don’t ration your drops. Keep a few vials in your pocket, on your nightstand, and at your desk.
Start Omega-3 Supplements Early
One of the more actionable findings in PRK research involves omega-3 fatty acid supplements. In a pilot study, patients who took omega-3 supplements starting two weeks before surgery and continuing through one month after had significantly faster epithelial healing. Their corneal surface healed at a rate of about 1.19% per hour compared to 0.83% per hour in the control group. That’s roughly 40% faster regrowth of the outer corneal layer.
The omega-3 group also maintained healthier tear film stability from week one through month three, and every patient in the supplement group reached 20/20 vision within one month, compared to only four out of the control group. If you haven’t had your surgery yet, starting omega-3s two weeks beforehand appears to give your eyes a head start. If you’re already post-op, beginning now may still support tear quality during the months of visual stabilization ahead.
Protect Your Eyes From UV Light
UV exposure after PRK is directly linked to corneal haze formation. Walter Reed National Military Medical Center recommends wearing UV-blocking sunglasses full time during the first month, as much as possible during months two through four, and whenever practical after that. In the ophthalmologist survey mentioned earlier, sunglasses were the single most common protective measure recommended after PRK, used by 78% of responding surgeons.
This means every time you step outside during the day for the first several months, you should have sunglasses on. Not just on bright days. UV penetrates clouds, and your healing cornea is far more vulnerable to it than a normal one. Wraparound styles offer the best coverage since they block light from the sides.
Rest Your Eyes in the First 48 Hours
The first 24 to 48 hours after PRK are when your cornea is doing its most critical healing work, and visual strain during this window can slow that process. The Refractive Surgery Council recommends avoiding TV, reading, computers, and phones for at least the first 24 hours, and ideally keeping visual demands minimal for 48 hours. Plan ahead for this. Download audiobooks or podcasts before surgery. Line up someone to help around the house. The less you ask of your eyes during this window, the smoother the early healing tends to go.
After that initial rest period, you can gradually reintroduce screens. But if your eyes feel fatigued or start watering heavily, that’s a signal to take a break. Short sessions with frequent breaks work better than long stretches of screen time, especially in the first two weeks.
Follow Activity Restrictions Carefully
Walter Reed’s guidelines for PRK patients emphasize that the biggest post-surgical risks are corneal surface irritation and haze, and both are worsened by activities that expose your eyes to dust, sweat, water, or impact. During the first three to four months, avoid anything that could irritate the corneal surface.
In practical terms, that means:
- Exercise: Light walking is fine within days, but hold off on intense workouts where sweat drips into your eyes for at least a week. Avoid contact sports for several weeks.
- Swimming: Pools, hot tubs, lakes, and oceans are off limits for at least two weeks and ideally longer. Waterborne bacteria pose a real infection risk to a healing cornea.
- Makeup: Avoid eye makeup for at least a week to prevent particles from getting into your eyes. When you resume, use fresh products to minimize bacterial contamination.
- Dusty or smoky environments: Stay away from these for the first several weeks. Airborne irritants can scratch the fragile new epithelium and trigger inflammation.
Consider Vitamin C
Oral vitamin C showed up in the ophthalmologist survey as one of the four most common strategies for preventing post-PRK haze, used by 37% of surveyed surgeons. Vitamin C plays a known role in collagen synthesis and tissue repair throughout the body, and the cornea has one of the highest concentrations of vitamin C of any tissue. While large-scale clinical trials on dosing are limited, the fact that more than a third of PRK surgeons recommend it suggests meaningful clinical confidence. Ask your surgeon whether adding vitamin C to your routine makes sense for your situation.
What Slows Recovery Down
Knowing what to avoid matters as much as knowing what to do. The most common recovery setbacks are skipping steroid drops too early (which invites haze), rubbing your eyes (which can displace the bandage contact lens or damage new epithelium), letting your eyes dry out (which slows cell regeneration), and UV exposure without sunglasses. Smoking also impairs wound healing throughout the body, and your cornea is no exception. If you smoke, cutting back or stopping during the recovery window gives your tissue the best shot at clean, fast healing.
Patience is genuinely part of the process. PRK doesn’t deliver the instant clarity that LASIK patients often experience, and the temptation to worry about blurry vision at two weeks or even six weeks is understandable. But corneal remodeling continues for months. Most people land at 20/20 or better by their three-month appointment, and some continue improving beyond that.