Dry eye after eyelid surgery: how likely and how long?

How likely it is and how long it lasts

Some degree of dryness, grittiness or watering affects a large share of patients in the first weeks after eyelid surgery, and in most it resolves within two to six weeks. Two mechanisms explain it: the blink becomes temporarily incomplete while the lid is swollen, and the small sensory nerves cut during the incision take weeks to recover, so the eye stops signalling that it needs to blink. Both are temporary in an eye that was healthy beforehand.

Who is at real risk

The patients who develop lasting problems are usually identifiable in advance: existing dry eye or Sjögren syndrome, previous laser vision correction, thyroid eye disease, a lower lid that already sits low or turns outward, and long-term contact lens use. A history of facial nerve palsy matters too. We ask about all of these, examine lid tone with a snap-back test, and if the risk is high we either reduce what is removed or advise against operating.

What to do in the first month

Preservative-free artificial tears every two hours while awake, and a thicker lubricating ointment at night, are the standard regimen and should start on day one rather than when symptoms appear. Contact lenses stay out for at least two weeks. Air conditioning, ceiling fans, aircraft cabins and long screen sessions all worsen it, so plan the flight home with drops in your hand luggage and blink deliberately while reading. Report burning pain or blurred vision rather than waiting.

The surgical decisions that prevent it

Prevention is mostly conservatism. We leave at least twenty millimetres of skin between brow and lash line, remove fat only where it bulges, and use the incision behind the lower lid whenever possible so that the lid muscle is left intact. Where lid laxity is present, a small tightening at the outer corner is added in the same session, because a lid sitting firmly against the eye spreads tears properly. Eyelid surgery here is €1,800 including that assessment.

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