In short. Upper eyelid surgery can change the tear film and how fully the lid closes. Who is at higher risk, how the surface is assessed first, and what to report.

Key points

  • Ask whether your tear film was tested, how completely your lid closes, and what the plan does to protect the surface.
  • If you use drops, say so and bring them.
  • If your eyes are often dry in the morning or at the end of the day, say that too — it is a finding rather than a minor detail, and it is easier to plan around before an operation than after one.

Upper eyelid surgery changes the lid, and the lid is part of how the eye surface stays wet. That is why the tear film is assessed before an eyelid operation, and why dryness belongs in the conversation rather than in a leaflet handed over afterwards.

Why the lid matters to tears

Every blink spreads a film of tears across the surface of the eye and sweeps it toward the drainage channel at the inner corner. The upper lid is the moving part of that mechanism. Removing skin from the lid can change how completely it closes, how smoothly it travels over the surface, and how much of the eye it covers. Any of those changes can disturb a tear film that was previously adequate, and a surface that is already marginal has less room to absorb the change.

Who is at higher risk

Patients who already have dry eye symptoms, or who use lubricating drops regularly. Patients with an autoimmune condition that affects the tear glands, or who take medication that reduces tear production. Patients whose lid does not close completely, or whose eye sits further forward than usual. Patients with thyroid eye disease, which is assessed and managed as its own condition. A history of previous eyelid surgery or of long-term contact lens wear belongs in the same conversation. None of these makes an eyelid operation impossible; each of them changes the assessment and the plan.

What the assessment should cover

Ask whether your tear film was tested, how completely your lid closes, and what the plan does to protect the surface. If you use drops, say so and bring them. If your eyes are often dry in the morning or at the end of the day, say that too — it is a finding rather than a minor detail, and it is easier to plan around before an operation than after one.

What to report afterwards

Some dryness, irritation or a gritty feeling in the early weeks is common while the lid settles and the surface adapts. It is worth reporting if it is getting worse rather than better, if you need drops constantly, if the eye waters excessively, or if the lid does not close fully when you sleep. Those are all treatable, and they are easier to treat when they are reported early.

Seek care immediately if

  • Vision changes, or there is severe pain in or around the eye.
  • The eye cannot be closed and the surface is exposed.
  • There is spreading redness or discharge with fever, or bleeding that does not stop with gentle pressure.

Dryness is one of the reasons an eyelid operation is not the right answer for every face, and it is also one of the reasons the assessment comes first. A brow lift does not carry the same risk to the tear film, because the lid itself is not shortened. That is a difference between the two operations, and it is not a reason to prefer either one.

Related reading

Frequently asked questions

Why can eyelid surgery affect the tear film?

The upper lid spreads tears across the eye with every blink and sweeps them toward the drainage channel. Removing skin from the lid can change how completely it closes and how smoothly it travels over the surface, which can disturb a tear film that was previously adequate for that eye.

Who is at higher risk of dryness afterwards?

People who already have dry eye symptoms or use drops, who have an autoimmune condition affecting the tear glands, who take medication that reduces tear production, whose lid does not close completely, or who have thyroid eye disease. None of these rules out an operation; each changes the plan.

What should be reported after the operation?

Dryness or a gritty feeling that gets worse rather than better, a need for drops all day, excessive watering, or a lid that does not close fully during sleep. A change in vision, severe eye pain, or spreading redness with fever needs immediate care rather than a routine appointment.

Risks & Limitations

  • Every operation carries risk, and no result can be guaranteed.
  • Scars are permanent. They mature and fade over 6–12 months but do not disappear.
  • The lid crease scar sits inside the fold; a brow lift leaves scars at or behind the hairline.
  • A brow that has dropped is not corrected by removing eyelid skin.
  • Final results are judged at 6–12 months, not in the first weeks.
  • Further surgery, including revision, may be needed, and a second operation is harder than the first.

When to Seek Care

  • A change in vision, or severe eye pain, after either operation — seek emergency care immediately.
  • An eye that cannot be closed, or a lid that no longer covers the surface.
  • Difficulty breathing or chest pain — seek emergency care immediately.
  • Fever with spreading redness, warmth or discharge from a wound.
  • Bleeding that does not stop with gentle pressure.
  • A wound that opens, or pain that is worsening rather than settling.

References & Further Reading

  • American Society of Plastic Surgeons (ASPS) — procedure and safety guidance
  • American Academy of Ophthalmology — eye surface and eyelid guidance
  • National Institute for Health and Care Excellence (NICE, UK) — relevant guidance
  • Cochrane Library — systematic reviews
  • Chinese Medical Association Plastic Surgery Branch — clinical guidance

Medically reviewed by Tongchun Mao, MD (毛彤春), Deputy Director & Head of Aesthetic Surgery. Last reviewed: 19 September 2026.

This page is patient education, not medical advice, and it does not cite individual studies. Discuss your own case with a qualified clinician. To arrange an assessment at Chongqing West District Hospital, see Contact & Consultation.