What is the reason for having double eyes?
In recent years, discussions about eye shape have continued to be popular on social media, especially the topic of "biosis". Many people are confused about their double eyelids and even consider having surgery or makeup to change them. So, what is the reason for having double eyes? This article will give you a detailed analysis from the aspects of genetics, physiological structure, age changes, etc.
1. Definition and Characteristics of Internal Double

Double eyelids refer to the phenomenon where the folds of the eyelids are not obvious. When the eyes are opened, the folds of the double eyelids can be vaguely seen. Compared with obvious double eyelids, double eyelids look more subtle, but they can also easily appear dull.
2. Analysis of the causes of inner double
There are many reasons for the formation of internal doubles. The following are the main factors:
| Reason type | Specific instructions |
|---|---|
| genetic factors | If one or both parents are intrauterine, their children will have a higher chance of inheriting the condition. |
| Eyelid fat thickness | When the eyelid fat is thick, it will compress the eyelid folds and lead to double eyelids. |
| eye muscle development | The levator palpebrae superioris muscle is weak or incompletely developed, which may lead to endometriosis. |
| age changes | As age increases, skin laxity or fat distribution changes, which may change from double eyelids to double eyelids. |
3. The relationship between inner double and health
Gemini is usually a normal physiological phenomenon and has nothing to do with health. However, it should be noted that if endometriosis is accompanied by the following symptoms, it is recommended to seek medical treatment in time:
4. How to improve the appearance of inner doubles
If you are not satisfied with the appearance of your inner doublet, you can improve it by:
| method | Description | Things to note |
|---|---|---|
| double eyelid patch | Temporary double eyelid effect created by pasting | Long-term use may cause eyelid sagging |
| double eyelid surgery | Surgery to create permanent double eyelids | You need to choose a regular hospital and need a recovery period after surgery. |
| makeup tips | Contour your eyes with eyeliner and shadow | Requires skills, limited effect |
5. The popular trend of inner doubles
In recent years, inner doubles have gradually been recognized aesthetically. Many celebrities and fashion bloggers feature natural double eyelids, breaking the traditional single aesthetic standard of "big eyes and double eyelids". The unique charm of the inner double lies in its subtlety and mystery, and it has become a new fashion symbol.
6. Summary
The formation of endometriosis is mainly related to factors such as genetics and physiological structure. It is a normal eye shape. While it's possible to change your appearance with makeup or surgery, it's more important to embrace your unique features. In today's world of diverse aesthetics, inner double may become your personal characteristic.
If you have more questions about endometrium, it is recommended to consult a professional ophthalmologist or plastic surgeon for personalized advice.
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