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Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line?

Diva Plastic Surgery Clinic · 디바성형외과의원 · October 23, 2024

​ Large, clear eyes and lovely, pretty eyes have always been objects of admiration. Recently, natural-looking eyes that bring out individuality and suit one’s face have been growin...

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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: Diva Plastic Surgery Clinic

Original post date: October 23, 2024

Translated at: April 25, 2026 at 6:10 AM

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

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 1

Large, clear eyes and lovely, pretty eyes have always been objects of admiration.

Recently, natural-looking eyes that bring out individuality and suit one’s face have been growing in popularity.

So how can you create eyes that suit you best?

How can you make the ideal eye shape that matches your face best?

At which plastic surgery clinic should you have eye surgery to achieve a high level of satisfaction?

Today, let’s look at one of the checkpoints for customized eye surgery that suits you best: finding the double eyelid line that fits you best.

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 2

The most rational eye shape has standards

The distance between the eyes and the ratio of the lengths of the left and right eyes should be the same.

The innermost part of the eye and the nostril should be vertically aligned.

The outer corner of the eye and the nostril should be connected in a straight line.

When the outer corner of the eye is viewed based on the horizontal line connecting the inner corners of the eyes, it should be positioned above that line.

In general, the standards for an ideal eye shape are based on the four points above. However, the positions and spacing of facial features differ from person to person. There are also differences in skin characteristics and the degree of aging.

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 3

The basic double eyelid line for customized eye surgery

Double eyelid surgery starts by creating a line on eyes that do not have a double eyelid line. By creating a beautiful double eyelid line, the procedure can induce a dramatic change into clearer and prettier eyes.

Therefore, it is important to tailor the most appropriate line while considering the overall proportions and harmony of the individual’s face.

Double eyelid lines can be broadly divided into three types.

▶ In-line

A double eyelid line that starts from the inner part of the eye The line most suitable for Koreans and the one most commonly seen

▶ Out-line

A double eyelid line that starts from the outer part of the eye A line suitable for people who want large, defined eyes

▶ In-out line

A line that is intermediate between the in-line and the out-line The double eyelid line most commonly seen on celebrities The most popular type of line among people considering double eyelid surgery

Just because a line is pretty does not mean it will necessarily suit me, so it is best to proceed while considering the characteristics of one’s face, the features of the eyes, and surrounding details.

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 4

Do I need double eyelid surgery for my eyes?

If the following apply to you, you can try upgrading your appearance through a beautiful double eyelid line.

People who want to create a natural and clear double eyelid line People who have an inner double eyelid on only one eye or have asymmetrical lines People who want to adjust the height of the double eyelid People who have double eyelids, but they occasionally disappear People whose eyelids sag or whose eyelashes poke into the eyes People whose eyelids have a lot of fat, making their eyes and expression look dull

If a double eyelid line alone does not seem enough, it is also wise to combine it with eye corner surgery, which is said to produce the greatest synergy in eye surgery. Eye corner surgery is a method needed for people whose eyes appear cramped because their eyes are short in both horizontal and vertical length. Because the approach differs depending on the characteristics of the eyes, it is best to receive surgery only after sufficient consultation with an experienced plastic surgery specialist who has not only medical knowledge but also skill and know-how from handling various cases.

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 5

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 6

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 7

Comparison of Differences by Double Eyelid Line... What Are In-line, Out-line, and In-out Line? image 8

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