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Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look

Soonplus Plastic Surgery and Dermatology · 순플러스성형외과 · 피부과 · August 9, 2025

Lateral canthoplasty (outer corner surgery): Expanding the horizontal length while lowering the outer eye corner for a more open look If you want a change with bigger, clearer-look...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: Soonplus Plastic Surgery and Dermatology

Original post date: August 9, 2025

Translated at: April 24, 2026 at 2:04 AM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Lateral canthoplasty (outer corner surgery): Expanding the horizontal length while lowering the outer eye corner for a more open look

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 1

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 2

If you want a change with bigger, clearer-looking eyes,

the first improvement method that comes to mind is likely double eyelid surgery.

Of course, double eyelid surgery can make small, tight-looking eyes appear larger,

but if the eyes are short in both horizontal and vertical length,

they can end up looking unbalanced

and even unnatural.

For that reason, to balance the eye shape

and create a more open, refreshed look,

it is sometimes performed together with procedures such as epicanthoplasty or lateral canthoplasty.

A typical lateral canthoplasty procedure

extends the horizontal length of the eyes,

while our lateral canthoplasty procedure extends the horizontal length through the outer corner surgery and at the same time lowers the outer eye corner,

allowing the effects of lower outer corner surgery as well,

so the expansion of both the horizontal and vertical eye dimensions

creates a more open and defined eye shape.

In addition, the angle of the outer eye corner and the degree of widening are

delicately adjusted according to the patient’s eye shape and desired image.

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 3

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 4

Lateral canthoplasty or lower outer corner surgery can extend the horizontal and vertical dimensions of the eyes,

making the eyes appear larger

and lowering a raised outer corner to improve a fierce, strong impression

into a softer-looking eye shape, but

because the outer corner can reattach after surgery

or leave a scar,

it must be performed carefully and by a medical team with specialized experience in canthoplasty procedures.

Our canthoplasty procedures

are performed with the expertise and extensive experience of our eye surgery specialists,

with the goal of reducing the likelihood of revision surgery,

and we do our best to help patients achieve the eye shape they want.

Even if you have double eyelids, if the horizontal length of your eyes is short

and your eyes feel tight or do not look large, lateral canthoplasty can make the eyes appear bigger

and produce a softer impression.

The results of lateral canthoplasty can vary depending on the surgeon’s skill

and the surgical method used by the clinic.

There may be cases where no improvement is seen,

and in some cases scars may remain,

causing the appearance to be less attractive than before surgery.

To avoid the need for further revision surgery,

we carefully and delicately perform lateral canthoplasty while considering each patient’s individual eye condition and goals.

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 5

Lateral canthoplasty that does not reattach

The biggest side effect of lateral canthoplasty is

that the area may reattach after surgery.

In the case of a simple-incision lateral canthoplasty at another clinic,

the area is horizontally incised and the skin that has opened upward and downward is sutured.

Because the sutured skin above and below comes into contact,

the reattachment phenomenon occurs.

To prevent reattachment,

after making an incision according to the degree of lowering of the outer eye corner,

the outer corner is fixed in the desired position.

The sutured area for the opened skin is the upper part,

and the lower part is originally firm tissue,

so the upper and lower parts do not reattach.

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 6

Depending on the eye shape, the degree to which the effects of lateral canthoplasty appear may vary.

Therefore, before surgery, it may be necessary to carefully design the procedure after assessing the patient’s eye shape.

In general, eye shapes that tend to respond well are: if the outer corner is high / if the eyeball is large / if the eyes are protruding

On the other hand, eye shapes that tend to respond less well are: if the outer corner is not high / if the eyeball is small / if the eyes are deeply set

While a basic classification can help predict the effect of lateral canthoplasty,

a more accurate prediction requires a medical professional to move the outer eye corner with their own hands

to see how much the eyes can be enlarged,

how much the outer corner can be lowered,

and this makes an in-person visit and detailed consultation with a specialist necessary.

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 7

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 8

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 9

Lateral Canthoplasty (Outer Corner Surgery): Expanding the Horizontal Length While Lowering the Outer Eye Corner for a More Open Look image 10

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