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Epicanthoplasty vs Lateral Canthoplasty

An eye has two corners, and they are built very differently. Changing one is not the same as changing the other.

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The short answer In brief

Epicanthoplasty suits eyes where a fold of skin covers the inner corner, making the eyes look close-set or the crease start abruptly. Lateral canthoplasty suits eyes with a short or upturned outer corner, where a modest outward extension softens the eye. The anatomy of each corner, not the desired eye length, decides.

Updated September 2026 · Will Be Plastic Surgery, Sinsa-dong, Seoul

At a glance

Compares
Inner-corner vs outer-corner surgery
Main difference
Skin fold release vs outer canthal tendon and lid adjustment
More predictable change
Epicanthoplasty, in most suitable eyes
Change typically limited by
Bony orbital rim at the outer corner
Key deciding factor
Epicanthal fold strength and outer corner shape
Decided by
Dr. Kim after examining both corners and eye spacing

How do epicanthoplasty and lateral canthoplasty compare?

Epicanthoplasty vs lateral canthoplasty is a question about corners. Both procedures can make the eye look longer and more open horizontally, but they work on very different tissue. The inner corner is often hidden by a soft skin fold. The outer corner is anchored by a tendon to bone. That difference shapes how much change is possible and how stable it will be.

Factor Epicanthoplasty Lateral Canthoplasty
What it corrects Epicanthal fold covering the inner corner; close-set look; abrupt crease start Short or upturned outer corner; sharp or tense eye shape
Incision / scar Small incision at the inner corner; can be pink for months before fading Small incision at the outer corner, often following a natural line
Anesthesia Local, with sedation if desired Local, with sedation if desired
Surgery time About 30 to 60 minutes About 30 to 60 minutes
Recovery Sutures out ~day 5 to 7; redness fades over 2 to 6 months Sutures out ~day 5 to 7; outer corner may look tight for several weeks
Longevity Long-lasting in most cases Varies; soft tissue can partly relapse toward its original position
Reversibility / revision Overcorrection is difficult to reverse fully Can be revised, though scar and tendon changes add complexity
Typical candidate Visible epicanthal fold, wide intercanthal distance Short outer corner with enough room before the orbital rim

How epicanthoplasty works

The epicanthal fold is a vertical fold of skin that arches over the inner corner of the eye, partly covering the pink tissue there. It is common in people of East Asian descent and is a normal anatomical variant. When it is strong, the eyes can look close together, and a new double eyelid crease may seem to begin abruptly or disappear into the fold. In epicanthoplasty, Dr. Kim redistributes the skin tension that creates the fold using a small, carefully designed flap, revealing a little more of the inner corner. The key is restraint: removing too much fold can make the inner corner look sharp or exposed, and this is one of the harder changes to undo.

How lateral canthoplasty works

The outer corner is held in place by the lateral canthal tendon, a band of connective tissue that anchors the eyelids to the bony orbital rim. In lateral canthoplasty, the outer corner is opened slightly and the lid edges are reshaped or refixed so the eye extends a little outward, sometimes with a softer downward angle. Because bone and tendon define the corner, the achievable extension is modest, and some soft tissue may gradually return toward its original position during healing. Lateral canthoplasty is sometimes paired with lower canthoplasty when the aim is to soften the lower lid line.

Which should I choose?

  • Is the inner corner covered? If the pink inner tissue is hidden by skin, epicanthoplasty addresses the true cause.
  • How far apart are the eyes? Eyes that already sit close together are usually not candidates for more inner-corner release.
  • How much room is at the outer corner? If the white of the eye already reaches the bony rim, outward extension has little space.
  • What mood do you want? Inner corner work changes spacing; outer corner work changes the angle and softness of the eye.

When does combining make sense?

The two are combined when both corners contribute to the same concern, for instance a strong inner fold together with a short, tilted outer corner. More often, epicanthoplasty is combined with double eyelid surgery so the new crease flows smoothly from the inner corner. Combining is not about maximizing length. Adding every corner procedure can make eyes look altered rather than refreshed. At Will Be, the aim is proportion, and sometimes the right plan is one corner only, or none.

What does recovery look like?

After either procedure, swelling and mild bruising are common for the first week. Sutures are typically removed around day five to seven. Inner corner incisions can stay pink for two to six months before fading; gentle scar care and sun protection help. Outer corner surgery can feel tight when smiling or looking sideways for several weeks. Makeup around the corners is usually avoided until the incisions have healed, and your surgeon will confirm when to resume it. Our scar care guide explains what helps during this stage.

Why restraint matters at the corners

Corner procedures are small in scale but large in effect. A few millimeters at the inner corner change how far apart the eyes appear, and that spacing is one of the features the brain reads first when recognizing a face. This is why an overcorrected inner corner can look unfamiliar even when everything else is unchanged. At the outer corner, the limitation is structural: bone does not move, and soft tissue tends to return partway to where it was.

For these reasons, Will Be treats corner surgery as a refinement rather than a centerpiece. The goal is eyes that look open and at ease while still recognizably yours. If you are considering corner surgery mainly because of trends or photographs of others, it is worth discussing what you want the change to achieve before choosing a technique. Sometimes a well-designed crease alone creates the openness you are looking for.

What are the risks?

Epicanthoplasty risks include visible or thickened scarring at the inner corner, overcorrection that looks too sharp, and asymmetry. Lateral canthoplasty risks include partial relapse, a pulled-down or rounded outer corner, visible scar, and temporary irritation. Infection and bleeding are uncommon. Individual results vary, and some patients see less change than hoped at the outer corner.

How Dr. Kim decides at consultation

Dr. Kim measures the distance between the inner corners, the width of each eye, and the space between the outer corner and the bony rim. He assesses how strongly the epicanthal fold pulls and how the crease would meet it. He then explains, corner by corner, what change is realistic and whether that change would suit your overall face. Sometimes the honest answer is that a corner procedure would add little, and he will say so.

Questions, answered

Frequently asked questions

Still wondering about something? Ask Dr. Kim directly — every consultation at Will Be is with the surgeon himself.

Will epicanthoplasty make my eyes look Westernized?

It does not have to. A conservative epicanthoplasty reveals a little more of the inner corner while keeping the character of an East Asian eye. The aim at Will Be is a refined version of your own eye, not a different ethnic appearance. The degree of change is decided together at consultation.

Does lateral canthoplasty always make the eye longer?

Not always, and the change is usually modest. The outer corner is anchored to bone by the lateral canthal tendon, and soft tissue tends to drift partly back while healing. For many patients the more noticeable effect is a softer angle rather than length. Dr. Kim will explain the realistic range after examining you.

Is the inner corner scar visible?

The incision lies at the inner corner, where skin is thin and heals fairly well, but it can stay pink for several months. In most cases it becomes subtle over time. Some people are prone to thicker scars, and careful design, suture technique and aftercare all help reduce that risk.

Can an overdone epicanthoplasty be corrected?

Correction is sometimes possible by recreating part of the fold, but it is more difficult than the original surgery and results are less predictable. This is why a conservative approach is important from the start. If you are unhappy with a previous inner corner result, a detailed examination is the first step.

How long should I stay in Seoul?

For corner procedures alone, many international patients plan around seven days so sutures can be removed and an early check made. If combined with double eyelid or other surgery, plan for your longest procedure. Your surgeon will confirm timing based on your final plan.

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Corners are small, and small changes matter. Let Dr. Kim show you what each corner of your eye can realistically become.

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