LASIK (Laser-Assisted In Situ Keratomileusis) is a procedure designed to correct vision by permanently reshaping the cornea. During the surgery, a thin flap is created, lifted for laser correction, and then repositioned. While healing is rapid, the primary concern with physical activity immediately afterward is the risk of displacing this delicate corneal flap before it adheres securely. Engaging in strenuous activity too soon also exposes the newly healing tissue to contaminants, increasing the chance of infection or inflammation. Following a precise recovery timeline for exercise is paramount to ensuring the best visual outcome.
The Critical First 48 Hours
The first two days following the procedure are the most sensitive period, requiring near-complete physical rest. All physical activity must be avoided because the corneal flap is at its most vulnerable state to displacement. Any activity that significantly increases intraocular pressure (IOP) poses a direct threat to the flap’s integrity. This includes actions like heavy lifting, rigorous bending over, or any straining motions.
Even light perspiration can introduce irritants and bacteria to the eye surface, which is highly susceptible to infection right after surgery. Patients must avoid any activity that induces sweating. Protective shields or glasses must be worn diligently, especially when sleeping, to prevent accidental rubbing or trauma to the eye area.
Returning to Low-Impact Exercise
A gradual return to movement can typically begin once the immediate 48-hour recovery window has passed. Gentle walking and light stretching are generally permissible on the second or third day post-surgery. These activities do not significantly elevate IOP or heart rate, and they help maintain circulation without stressing the corneal tissue.
Non-contact cardio, such as using a stationary bike or a treadmill for a light jog, is often cleared starting around day three to five. During moderate activity, it is crucial to manage sweat effectively using a clean headband or towel to prevent moisture from dripping into the eyes. Light weightlifting can be introduced around the one-week mark, but patients must strictly avoid heavy weights or exercises requiring breath-holding (known as the Valsalva maneuver), as this action spikes eye pressure. Yoga practitioners should also avoid inverted poses for the first week or two, as being head-down can similarly raise pressure within the eye.
High-Risk Activities and Water Sports
Activities that involve a high risk of direct trauma or prolonged exposure to potential contaminants require a much longer waiting period. Contact sports, including basketball, soccer, martial arts, and football, must be avoided for at least four weeks to prevent a direct impact that could displace the corneal flap. Non-contact sports that carry a risk of being hit by equipment, like racquetball, should be postponed for a month and then only played with approved protective eyewear.
Water sports present a significant infection risk due to microorganisms and chemicals. Swimming in chlorinated pools should be avoided for a minimum of two weeks. Natural bodies of water, such as lakes, oceans, and rivers, require a four-week clearance period due to the higher concentration of bacteria and pathogens. Hot tubs and saunas are also restricted for a minimum of two weeks, as the warm, moist environment encourages bacterial growth and the steam can irritate the healing cornea.
Activities in dusty or windy environments, like mountain biking or outdoor running, can usually be resumed after one to two weeks. Patients must wear close-fitting wraparound sunglasses to shield the eyes from debris.