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A Single Eyelid

home link Eyelid > Understanding Asian Eyelid

01Difference of eyes among races

Anthropologists call Asians as 'Mongoloids’. According to the results of various analyses on a gene, Koreans are classified as part of the northern Mongoloid race and the southern Mongoloid race. Except for the southeast Asian and part of Chinese race, people of Korea, Manchuria, and north of part of the Great Wall of China are named as ‘a northern mongoloid’ and has characteristics such as small eyes without a double eyelid, Mongolian folds, a flat face with prominent cheekbones, and a Mongolian spot on the buttocks. On the other hand,the southern Mongoloid race adapt to relatively warm climates in areas such as Polynesia, and Hawaii in the Pacific ocean. People from the Oceanic regions and southern Asia have double eyelids, slight Mongolian folds, and bigger eyes than the people of the northern regions. They are called the 'southern mongoloids’. It is said that among Koreans, 70~80% of the people are north and 20~30% are the south.

02What is a single eyelid of a Mongolian race?

Examples) Eye with a single eyelid

Examples) Eye with a double eyelid

We call the eye without a double eyelid as a single eyelid. An eyeline where the eyelashes grow is fully covered with the skin above the eye. As a result, the eye seems small and swollen over the region of the line. On the other hand, an eye with double eyelid appears to be more attractive and refined because they look brighter, bigger, and well-matched with your eyelashes. This process is done by removing, pulling, or folding the excess skin to further expose the rest of your pupil and give your eyes a brighter, more natural look.

Examples) Eyes with incomplete creases over which eyelid skin droops down.After combination surgery of Magic epicanthoplasty and double eyelid surgery, they show distinctive eyelines and refined general shapes.

Examples) This is a case of an inner double eyelid. After combination surgery of Magic epicanthoplasty and double eyelid surgery, they show distinctive eyelines and refined general shapes.

Examples) The single eyelids looked puffy due to significant amount of drooping upper eyelids

03Reasons why Mongolians have a single eyelid

Racial reasons

About 70~80% of Koreans are originated from the northern Mongolian race so they have single eyelids. The remaining 20~30% are from southern Mongolia and other mixed races. It is statistically shown that 70-80% of Koreans have no double eyelids. Northern Mongolian races having no double eyelids among the other various races provide a definite differentiation between people with double eyelids and those with Mongolian folds.

Anatomical reasons

An eyelid is anatomically composed of various different tissues (skin, muscle, fat, tarsal plates, conjunctiva (waterline) and so on). The tissues that help the opening of the eyes, called the levator muscle, is attached to the upper tarsal margin, and some parts of the muscle tissues are also attached to the back side of the eyelid skin. Based on this mechanism, a double eyelid is made simultaneously by the pulling up of the skin when the eyes open.

Cause 1

In eyes with a double eyelid, parts of levator muscle are attached to the back of the skin. On the other hand, an eye without a double eyelid has a structure called an orbicularis oculi muscle which is thicker. Also, the fat tissue is drooped down and blocks the formation of the double eyelid.

Cause 2

The Mongolian folds(epicanthus) add volume to the corner region, forming thick a fibrous band. This vertically acting tension band forms an adverse effect against a horizontal double eyelid crease. The Mongolian fold(epicanthus) delivers the power to the levator muscle toward the opposite direction when the eyes open, and it acts as a major disturbance of a double eyelid formation and often disrupts the ideal conditions for surgical completion.

Examples) Only a double eyelid surgery performed on the Mongolian fold. They look fierce .

Examples) Structural double eyelid surgery combined with Magic epicanthoplasty in severe Mongolian folds.

Examples) Structural double eyelid surgery combined with Magic epicanthoplasty for bigger and parallel type double eyelid.

Examples)Revisional double eyelid surgery combined with Magic epicanthoplasty.

Although a double eyelid surgery has been the most popular and well-known procedures ever, the importance of the Mongolian folds or epicanthoplasty have been failed to be noticed because of the limitations of existing or conventional surgeries. Recently, the Magic epicanthoplasty proves its effectiveness on Mongolian folds. These two combined procedures (double eyelid surgery combined with Magic epicanthoplasty) become the new paradigm of the eyelid surgery.

04The appearance of eyelid skin in a single eyelid

In most cases, eyes with a single eyelid make an eye seem so small in both of width and length, They look closed and heavy. Therefore, the refined image is hardly made and they always cause the eyes to look swollen and small as if the person is unintentionally glaring.

Examples) Combination surgery of Magic epicanthoplasty and double eyelid surgery in a male patient.

Examples) Combination surgery of Magic epicanthoplasty and double eyelid surgery in a female patient.

05Outline of the eye with a double eyelid : eyeline

The eyelashes (eyeline) are the true boundaries of the eye between the eyelid and the cornea of the eye (the black region of the eye.) The eyeline of a Caucasian is exposed almost completely and the eyes look clear and pure due to sufficient exposure of the cornea. Also, the eyes look bigger because of the higher location of the line of the eyelid. In contrast, eyes of Asian with only a single eyelid are covered with much amount of skin drooping down from above. Therefore, the eyeline where the lahes grow is hidden within the skin instead of showing the real eyeline. The more the eyelid skin droops down, the smaller and the puffier the eyes look. Additionally, the existing Mongolian folds result in widened and exaggerated interepicanthal distance.

06Various types of single eyelids or incomplete double eyelid in Asians

A single eyelid as a type of skin line

The eyes of the majority of Korean women are the types that the skin of an eyelid is drooped down to the eyeline. This makes the eyes look smaller and stuffier. This is easily found in people who have thick skin and sunken eyeballs as well as brow ptosis. When it is accompanied with severe Mongolian folds, the situation may get worse after all.

Examples) A single eyelid covering the pupil by the excess skin drooping.

Examples) Excisional double eyelid surgery combined with Magic epicanthoplasty.

A single eyelid that shows an incomplete wrinkle line

When women pass their mid-20s, the elasticity of skin gradually gets weaker, and unexpected fine wrinkles are formed at one or more locations on the eyelid skin. It is a kind of aging process occurring in the eyes with a single eyelid. Sometimes they delude themselves to have an acquried crease that looks similar to that of an innate crease, Most of these people usually misunderstand that they have acquired a double eyelid, and they sometimes ask the surgeon to make them more clear and fix the firmness on that false line. The lines are not the real line forming the double eyelid, but they are in fact wrinkles. When the surgery is planned, those wrinkles must be ignored and properly designed again at a new point.

Examples) Non-incisional double eyelid surgery (buried suture method) combined with Magic epicanthoplasty

An incomplete double eyelid using liquid glue or adhesives

In young women, random skin foldings can be found occasionally because their skins are thin. And when they apply Eye-charm tape or some skin adhesives on it (adhesives that make fake eyelids), it gets folded more easily. But, when the adhesives get used repeatedly, the skin will lose its elasticity, and unfavorable foldings or creases are made when the eyes open. These are incomplete wrinkled double eyelids caused by Eye-charm. These kinds of actions promote aging process on the eyelids but most women do not realize its bad effects. Although it helps the skin to fold easily and may seem like a double eyelid line, it is basically different from a proper double eyelid. They are just wrinkles.

Examples) Double eyelid surgery combined with Magic epicanthoplasty in eyes with incomplete double eyelid lines

A single eyelid crumpled at thin skin

Among protruded eyes, it can be easily observed that the skin can become crumpled at a certain point by the repetitive eye-blinking action. In this case, the wrinkles become deeper and darker because skin is crumpled and unfolded every time the eyes blink. It is impossible to restore it back when the wrinkles are deepened to some degree.

Examples) Non-incisional double eyelid surgery combined with Magic epicanthoplasty in thin skin type eyelids

A single eyelid with slight visibility of the eyeline in thin skin

These pictures show the eyes with thin skin, weak Mongolian folds, and small amount of fat above the eye. These eyes are easy for the eyes to open and close, and there is no significant drooping of skin either. The skin having a good elasticity leads to good results which can be obtained only by applying the buried methods.

Examples) Non-incisional double eyelid surgery combined with Magic epicanthoplasty and lateral canthoplasty.

Examples) Non-incisional double eyelid surgery in thin skin type eyelids

Cases where the eyes get poked by your own lashes (Entropion)

In case of an eye with a single eyelid, the eyelashes are pointed toward the eyeball sometimes because the lashes are pressed down by the skin of the eyelid. The more one tries to open his/her eyes, the more the eyelashes head down toward the eyeball. In severe cases, it can give damage to the cornea and this process continues as people grow older. When a double eyelid is created surgically, this phenomenon will miraculously disappear immediately.

Examples) Direction of eyelashes of a Westerner

Examples) double eyelid surgeries of the patient with prickling

Examples) Structural double eyelid surgeries combined with Magic epicanthoplasty among the patients with prickling