Can You Cry After Lasik?

The Short Answer: Yes, You Can Cry After LASIK

Crying does not harm your LASIK results. The laser reshaping performed during the procedure is permanent and cannot be reversed by tears, whether they come minutes after surgery or days later. Many patients actually cry on the operating table or in the recovery room — from relief, from the mild stinging sensation as anaesthetic drops wear off, or simply from the overwhelming experience of seeing their alarm clock clearly for the first time in years. Surgeons expect this, and it has no negative impact on outcomes.

What makes this question so common is that patients are (rightly) told to be very careful with their eyes after surgery. They know not to get water in their eyes, not to rub their eyes, and not to touch the area around the lids. So when tears start flowing, the instinct is to panic. But tears are not tap water, shampoo, or a foreign substance — they’re the fluid your eyes are designed to produce, and your cornea relies on them for healing.

Why Tears Are Actually Good for Your Healing Eyes

Your tear film is a complex, three-layered structure that protects, nourishes, and lubricates the corneal surface. After LASIK, maintaining a healthy tear film is one of the most important factors in a smooth recovery. Tears deliver oxygen and nutrients to the healing epithelium, wash away debris and inflammatory mediators, and keep the corneal surface optically smooth — which is why your surgeon prescribes preservative-free lubricating drops for the weeks following surgery.

When you cry, your lacrimal glands produce a surge of aqueous tears that flood the ocular surface. This extra lubrication is, if anything, beneficial during the early healing period — particularly for patients prone to post-LASIK dry eye. Emotional tears also contain stress hormones and natural painkillers, which is why a good cry often makes you feel physically better afterward. For your cornea, the extra moisture is welcome, not harmful.

The Real Risk: Rubbing, Not Crying

Here’s where the concern becomes legitimate. Crying itself is safe, but crying typically triggers a reflexive urge to wipe, dab, or rub your eyes — and that’s what can cause problems. During the first days after LASIK, the corneal flap is still reattaching to the underlying stroma. It’s held in place initially by natural suction and the epithelium growing over the edges, but it hasn’t yet developed the adhesion strength it will have at two or three weeks.

Pressing on the eyelid — even through a tissue or cloth — can shift the flap, create wrinkles (known as flap striae), or introduce bacteria from your hands to a healing surface. This is why the no-rubbing rule is one of the most emphasised instructions in post-LASIK care. If you’ve had a flapless procedure like SMILE Pro, the risk of flap displacement doesn’t apply, but rubbing can still disrupt the small incision site and irritate healing tissue.

The no-rubbing restriction applies for at least two weeks after LASIK and often longer. Some surgeons recommend wearing protective eye shields at night during this period specifically to prevent unconscious rubbing during sleep.

Reflex Tears vs. Emotional Tears After LASIK

Reflex Tearing (First Few Hours)

Almost every LASIK patient experiences reflex tearing in the first two to four hours after surgery. This is your cornea’s automatic response to the procedure — the nerves that were temporarily disrupted during flap creation send signals that trigger tear production. This tearing is often accompanied by a mild stinging or burning sensation, light sensitivity, and the urge to keep your eyes closed. It’s entirely normal and typically resolves after a good nap. Your surgeon will advise you to sleep for a few hours immediately after the procedure, which is the best way to get through this phase comfortably.

Emotional Crying (Days or Weeks Later)

Whether it’s a sad film, a stressful day at work, or happy tears at a family event, emotional crying in the days and weeks after LASIK is completely fine. By 24 to 48 hours post-surgery, the epithelium has already begun sealing the flap edges, and the risk of tear fluid causing any disruption is essentially zero. The only rule remains the same: don’t rub. If you feel tears streaming down your face, let them flow naturally or gently blot your cheeks with a clean tissue — well below the eye, never on the eyelid itself.

How to Handle Tears Safely After Surgery

If you find yourself tearing up after LASIK — for any reason — follow these simple steps. Let the tears fall naturally without trying to stop them or squeeze your eyes shut tightly, as forceful squeezing creates unnecessary pressure on the healing flap. If tears are running down your face, use a clean, soft tissue to gently dab your cheek or the outer corner of the lower lid — never press directly on the closed eyelid or drag a tissue across the lash line. After the tears subside, instil a drop of preservative-free artificial tears to restore the smooth optical surface and keep the cornea comfortable. If your eyes feel particularly irritated after a crying episode, you can apply a warm compress to the closed lids for a few minutes, which helps stabilise the tear film and soothes discomfort.

For broader guidance on keeping your face and eye area clean during recovery without disturbing your healing, see our detailed guide on how to clean your eyes after LASIK surgery.

When Excessive Tearing Signals a Problem

While normal tearing is harmless, certain patterns of excessive or persistent watering can indicate a complication that needs attention. If your eyes are constantly watering beyond the first 24 to 48 hours, particularly if accompanied by increasing pain, worsening redness, discharge that’s thick or yellow, or progressive blurring of vision, contact your surgeon promptly. Persistent tearing can sometimes signal an early infection, inflammation beneath the flap (known as diffuse lamellar keratitis), or a flap irregularity that needs treatment.

On its own, mild tearing that gradually decreases over the first week is perfectly normal and simply reflects your corneal nerves recalibrating after the procedure. If you’re unsure whether your tearing pattern is normal, a quick follow-up call to your eye care provider can provide reassurance — and early detection of any issue always leads to better outcomes.