LASIK (Laser-Assisted in Situ Keratomileusis) is a surgical procedure that reshapes the cornea to correct refractive errors, such as nearsightedness, farsightedness, and astigmatism. This correction allows light to focus properly on the retina, reducing or eliminating the need for corrective lenses. Achieving optimal visual outcomes depends on carefully adhering to the post-operative care instructions provided by your surgical team. The initial recovery phase is when the corneal tissue begins its healing process, making gentle treatment of the eyes important for long-term vision success.
The First 24 Hours
The first day after the LASIK procedure is dedicated to allowing the eyes to rest and begin the process of corneal healing. Patients should close their eyes and sleep for several hours immediately upon returning home, as this natural rest is the most effective way to protect the treated tissue. The sensation of grittiness or burning often experienced is managed best by keeping the eyes closed and using prescribed lubricating drops.
Patients receive protective eye shields that must be worn, especially during sleep, to prevent accidental rubbing or pressure on the eyes. Rubbing can potentially dislodge the corneal flap, which would compromise the healing process. Following the schedule for prescribed antibiotic and anti-inflammatory eye drops is necessary to prevent infection and control swelling. Throughout this initial 24-hour window, all activities that cause eye strain, including looking at any kind of screen, must be completely avoided.
Timing for Reintroducing Screen Use
The guidance is to avoid all screens—televisions, computers, tablets, and phones—for a minimum of 24 hours following the procedure to ensure the initial stability of the corneal flap. After this first day, most patients can reintroduce short periods of screen exposure, starting with less demanding activities like watching television. TV viewing is less strenuous than close-up work because the screen is typically viewed from a greater distance.
For tasks that require sustained focus, such as working on a computer or reading text on a phone, a longer delay of 48 hours or more is advised. Staring intently at near-focus objects reduces the natural blink rate from the typical 15 to 20 blinks per minute down to as low as five to seven. This decrease can exacerbate post-LASIK dryness and interfere with the recovery of the corneal surface. Patients should begin with very brief sessions, perhaps 10 to 15 minutes at a time, and monitor their comfort level closely.
The timeline for resuming extended screen use varies among individuals, as healing rates are unique to each person. For those with jobs requiring prolonged computer use, a gradual return over the first week or two is recommended, with frequent breaks and consistent use of artificial tears. Always confirm your specific activity and screen-time schedule directly with your surgeon, as their instructions are tailored to your individual healing progress.
Minimizing Eye Strain During Screen Time
Once your surgeon permits you to resume screen use, adopting specific habits can reduce eye fatigue and support the healing process. The primary challenge posed by screens after LASIK is the reduced blink rate, which leads to increased tear film evaporation and dry eye discomfort. Consciously focusing on blinking fully and frequently during screen time is a highly effective way to keep the eyes lubricated.
Implementing the 20-20-20 rule is a practical method to give the eyes a rest from near-focus demands. This guideline suggests that every 20 minutes, you should look at an object 20 feet away for at least 20 seconds. This action relaxes the focusing muscles inside the eye, preventing prolonged muscle contraction that contributes to strain. Additionally, adjusting the screen settings to reduce contrast and lower brightness can make the light less harsh on sensitive healing eyes.
Maintaining a comfortable distance from the screen, especially for larger devices like the television, helps to minimize the effort required for visual accommodation. Using preservative-free lubricating eye drops immediately before and during screen sessions is recommended to proactively manage dryness. By actively managing these environmental and behavioral factors, you provide the best possible conditions for your eyes to fully recover.