In short. Upper eyelid surgery and the crease you already have is a planning question, not a cosmetic detail. Crease height and shape are chosen rather than invented. Where a crease exists, the usual approach is to keep it. Where none exists, one is created, and that is a different operation with different expectations.

Key points

  • The crease is where lid skin is tethered to muscle and deeper tissue.
  • Where a crease already exists, the usual approach preserves it.
  • Where no crease exists, creating one is a different operation.
  • No injection removes skin; non-surgical options change the context only.
  • Natural asymmetry can look more obvious if equal amounts are removed.

What a crease is, anatomically

The crease is the line where the skin of the lid is tethered to the muscle and the deeper tissue beneath it, and it sits where those layers attach in your own lid. Some lids have a well-defined crease, some a low or faint one, and some none at all. None of those is a defect; they are different arrangements of the same structures, and each changes what an operation can achieve.

What the operation changes

Upper eyelid surgery removes skin, and often a little muscle and fat, from above the lashes. It answers a hood: skin that has lost its recovery and now rests over the fold. It does not lift a brow that has descended, and it does not raise a lid edge whose opening muscle is weak. Where the crease is created or raised rather than preserved, how high it can honestly be placed depends on the thickness of the skin and the position of the fat.

What can be done without an operation?

No injection removes skin. What can be done without an operation is to change the context around the fold. Volume placed in the brow and the temple can lift the tissue above the lid and change how the hood reads, and relaxing the muscles that pull the brow downward can open the space a little. Both are reversible and both stop well short of removing the skin, so they are chosen when the fold is mild or when the aim is to defer an operation rather than replace it.

Finding Non-surgical route Surgical route What neither does
Mild hood, crease present Brow and temple volume, muscle relaxation Skin removal through the existing fold Remove skin without operating
Heavy hood Limited and temporary Skin removal, with fat handled as needed Lift a descended brow
Low brow with a hood Can open the space a little Brow work, sometimes with the lid Decide the order for you
Low lid edge (ptosis) Nothing reliable A separate operation on the opening muscle Raise the edge by removing skin
Asymmetric lids Small adjustments at most Unequal removal after assessment Make two sides identical

Why preserve the crease you have

Where a crease already exists, the usual approach is to keep it rather than replace it, because a lid that is operated on through its own fold tends to look like the eye it belongs to. Where no crease exists, one is created, and that is a different operation with different expectations attached to it. The two should not be described in the same terms.

What about asymmetry?

Most faces are asymmetric, and the eye area shows it: two lids rarely carry the same amount of skin, and the brows above them rarely sit at the same height. An operation that removes exactly the same amount from both sides can make a natural asymmetry more obvious rather than less. Where the asymmetry bothers you, it is worth naming before the operation rather than after it.

How long does it take to settle?

The shape is close to its final appearance within a few weeks, and the crease itself softens and settles over several months. It commonly sits higher and looks more pronounced in the early weeks than it will later, which is why an eye area is judged at months rather than at a fortnight. Your own timeline is set by your surgeon and may differ from any general figure.

What should you ask before agreeing?

Ask how the crease will be decided, and whether it will be preserved or created. Say if your eyes are usually dry, gritty or watery, or if you wear contact lenses. Ask what will be done if the lid does not close completely in the first weeks.

Sources

Internal links

Frequently asked questions

Why does a crease measurement taken from another person not transfer to mine?

Because a crease is a relationship between skin, muscle, fat and the height of the lid rather than a line drawn at a chosen distance. The same measurement produces a different result on a lid with a thick septum and little visible lid than on a thin lid with a high crease. A crease designed from a photograph of another person is designed without the information that decides it.

Can the operation raise my lid edge if it sits low?

No. Removing skin from the upper lid changes the amount of skin over the eye and does not change the muscle that opens it. A lid edge that sits low is a separate finding with its own operation, and where both are present the order in which they are addressed matters. Operating on the skin first can leave the true problem more difficult to plan.

How long does the crease take to look settled?

The shape is close to its final appearance within a few weeks, and the crease itself softens and settles over several months. It commonly sits higher and looks more pronounced in the early weeks than it will later, which is why an eye area is judged at months rather than at a fortnight. Your own timeline is set by your surgeon and may differ from any general figure.

Risks & Limitations

  • Every operation around the eye carries risk, and no result can be promised.
  • The surface of the eye can change: dryness may become worse, and it does not always return to where it started.
  • Lid position can change, and a lid that does not close completely needs review rather than patience.
  • Filler placed around the eye carries a rare risk of material reaching the circulation of the eye.
  • Further surgery, including revision, may be needed, and a second operation on a lid is harder than the first.

When to Seek Care

  • Sudden loss or blurring of vision, or double vision, after any treatment around the eye.
  • A lid that does not close once the swelling has settled, or an eye that has become gritty or light-sensitive.
  • Rapidly increasing swelling, spreading redness, bleeding, or pain around the eye that is getting worse.
  • Difficulty breathing or chest pain: seek emergency care immediately.

References & Further Reading

  • American Society of Plastic Surgeons (ASPS) — procedure and safety 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.