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2025.07.04
Consultations for Ham Eyes Are Surging! A Plastic Surgeon Explains the Causes and Correction Methods for Ham Eyes ①
As a board-certified plastic surgeon by the Japanese Society of Plastic and Reconstructive Surgery, he has been engaged in a wide variety of periocular surgeries at university hospitals. Based on his solid anatomical knowledge and suturing skills, he is in charge of a wide range of surgeries around the eyes including sub-brow incisions and blepharoplasty incisions, as well as hyaluronic acid injections, Botox injections, and thread lifts. We also accept insurance coverage for droopy eyelids and inner eyelashes. We value natural and elegant results, and are known for our attentive counseling that attends to the patient's feelings.
The Reiwa era's eye trend is natural double eyelids👁


Due to the recent trend toward natural looks, the focus has shifted from the belief in wide double eyelids to a trend favoring natural double eyelids that aren't too wide.
In accordance with thatConsultation on Hamster Eye Correctionis increasing

(Hammock Eye Case: Eyelid Skin Resection)
The hamster eye is,The area between the eyelashes and the double eyelid line appears unnaturally puffy and swollen.that is
It's called the ham eye because its rounded shape resembles boneless ham.
If it touches the lash line,Reasons why eyes appear smallcan also become
This article explains the causes of hamstrings and corrective surgery from a cosmetic surgeon's perspective.
Please excuse my crude hand-drawn diagram.
Before understanding ham eyes, first...
◎Double Mechanism
To put it simply,
The eyelid is divided into the anterior leaf (red text) and posterior leaf (blue text).

Superficial layer: Skin, orbicularis oculi muscle
Deep posterior layer: levator aponeurosis, Müller's muscle, conjunctiva
is composed of
When opening the eyes, the posterior lobe moves.
・For single eyelids
There is no connecting structure linking the anterior lobe and posterior lobe.Therefore, even when the eyes are opened, the anterior lobe is not pulled in or folded (i.e., it cannot form a double fold).
・In the case of double eyelids
There is a connecting structure linking the anterior lobe and posterior lobe.Therefore, when opening the eyes, the anterior lobe is pulled inward and folds over (i.e., becomes double).
→The purpose of double shaping is to recreate the connecting structure linking the anterior and posterior lobes.
Buried suture method: sutures; full incision: recreating the double eyelid structure using internal eyelid tissue.
◎Causes of Ham Eyes
Now that you understand how double eyelids work, let's talk about the causes of ham-shaped eyes.
Even if there is a connecting structure linking the anterior and posterior lobes, if they move independently, the anterior lobe on the ciliary side tends to be left behind without being sufficiently drawn in at the connection point.
That state is called "ham eyes."
Let's consider deep-set eyes as an example of one cause that makes one prone to having a "ham-like" appearance.

As shown in the figure, the front and rear sections will synchronize more smoothly when their respective vector directions of movement are parallel.
Conversely, if the vectors are not parallel, the linkage becomes poor.
In the case of a die roll, the vectors are approximately parallel.
For deep-set eyes, vectors ≠ parallel
That's why it's said that deep-set eyes tend to become ham eyes.
【Reference: Are you a dice roller?】[How to Tell if You Have Deep-Set Eyes?]
First, take a profile photo📱, comparing the center of the pupil with the height of the cheek below the pupil.
If the center of the pupil protrudes beyond the cheek below it, it is considered "protruding eyes."
If the center of the pupil is set deeper than the cheek below it, it is called "deep-set eyes."
◎People prone to ham eyes
・deep-set eyesAs mentioned earlier
・thick eyelids
When the skin and orbicularis oculi muscle are thick, or there is excessive eyelid fat (omitted from the diagram for clarity),
The front leaf becomes too bulky, causing poor linkage.
・Desire for wide double eyelids
Even if it's a roll, the volume of the front leaf that gets pulled in relatively increases, causing poor linkage.
Next time, we'll explain practical methods to avoid ham eyes and how to correct them.
https://biancaclinic.jp/blog/42954/
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Fees and Risks
FeesDouble Eyelid Surgery (Buried Method): ¥108,900~ Double Eyelid Surgery (Full Incision): ¥360,580 Ptosis Surgery: ¥602,580 (tax included)
RiskSwelling, bruising, asymmetry, scarring, etc.
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※There are various approaches to aesthetic medicine, and opinions and practices may differ among physicians. Please consider the information provided here as one reference only, and we hope you will choose medical care that suits you and meets your expectations.
We apologize if any unintended inaccuracies or misleading expressions were included. In such cases, we will make appropriate corrections or additions.
Click here for a profile of Yumi Hattori.