Patients write to me with two words that sound like a choice between two operations: “Do I need fox eye surgery or cat eye surgery?” They have usually seen the two looks side by side on social media, and they want the one that suits them. The honest answer is that these are not two operations. They are two looks, produced by different combinations of the same few procedures, and the right combination depends on your anatomy, not on the name.
This page explains what each name means, what the surgery actually moves, why the exaggerated version of the fox eye is a mistake on most faces, and how I decide between a corner lift alone, a corner lift with a brow tail lift, or no surgery at all. If you already know you want a lasting change at the outer corner, the operation itself is described on the canthoplasty and fox eye lift page.
Fox Eye, Cat Eye, Almond Eye: What the Names Mean
None of these terms is a medical word. They come from makeup, from photo filters and from marketing, and different clinics use them differently. This is how I use them, and how most patients who contact me use them.
- Cat eye. The outer corner of the eye sits slightly higher than the inner corner, the lower lid hugs the eye, and the eye looks almond shaped rather than round. The brow is not part of the look. Surgically this is a change at the outer corner only: a canthopexy or a canthoplasty.
- Fox eye. The same lifted corner, plus the tail of the eyebrow pulled upward and outward toward the temple, so the whole eye region slants. Surgically this is a corner procedure combined with a temporal lift (a lift of the outer third of the brow). The thread version sold under the same name is discussed below.
- Almond eye. Usually a softer word for the same thing as cat eye: a natural looking slight upward tilt. When a patient says “almond eye surgery” they almost always mean a modest corner lift without touching the brow.
- Canthal tilt. The medical term behind all of this. It is the angle of the line from the inner corner to the outer corner of the eye. A positive tilt means the outer corner is higher. A negative tilt means it is lower, which reads as tired or sad even on a young face.
- Canthopexy and canthoplasty. The two operations that change the position of the outer corner, explained below.
- Temporal lift. A limited brow lift that raises only the outer third of the eyebrow. This is the part that turns a cat eye into a fox eye.
Why the Outer Corner Matters So Much
The outer corner is a small structure, but the face reads it instantly. In an experimental study, judges shown pairs of female faces preferred the version with an accentuated upward canthal tilt 93 percent of the time. A later analysis of attractive faces measured a greater canthal tilt in women than in men, and no visible white below the iris (no scleral show) in any of the faces studied. The message from both is the same: a slight positive tilt and a lower lid that sits snugly against the eye are what people perceive as youthful and feminine.
The key word is slight. The same research literature also shows where it goes wrong. In a 2025 rating study with more than two thousand participants, raising the eyebrow, raising the outer corner, or raising both together reduced perceived attractiveness, femininity and trustworthiness, and increased perceived dominance and threat. The lifted, pulled version that filters produce is not read as beautiful by other people; it is read as severe. That is the single most important thing to understand before choosing between a cat eye and a fox eye.
Cat Eye Surgery: The Corner Alone
A cat eye is produced at the outer corner and nowhere else. The outer corner is held to the bone of the eye socket by a short tendon, the lateral canthal tendon. If it sits level with or below the inner corner, or if it has loosened with age, the eye looks round, tired or downturned. Two operations change this.
Canthopexy places a suture that anchors the existing tendon more firmly and slightly higher, without cutting it. It is the right choice when the corner does not sit far below where it should and mainly needs support. It gives a modest lift, it adds only fifteen to twenty minutes to an eyelid operation, and the recovery is short.
Canthoplasty releases the tendon, shortens it if needed, and reattaches it to the bone at a new, higher point. It is the right choice when the corner sits low enough that tightening alone would not move it far enough. It is a larger change and it holds, but it is a more involved operation with a longer settling period. A published series of thirty patients treated with a tendon repositioning anchored to the bone reported that the result could be considered permanent about six months after surgery, and that an initial over-correction is deliberate, because the corner settles downward a little as it heals.
Which one you need is decided by examination, not by preference. I look at where the outer corner sits relative to the inner corner, how much the lower lid can be pulled away from the eye, and how quickly it snaps back. A corner that mainly needs support gets a canthopexy. A corner that needs to move gets a canthoplasty. The patient’s wish for a “cat eye” tells me the direction; the anatomy tells me the operation.
Fox Eye Surgery: The Corner Plus the Brow Tail
A fox eye adds a second element: the tail of the eyebrow is lifted upward and outward. On its own, a corner lift cannot produce this, because the brow has not moved. The surgical way to move it is a temporal lift. Through a small incision hidden in the hair at the temple, the tissue over the outer brow is released and fixed higher and slightly outward. I perform it endoscopically, and it is described in detail on the brow lift in Turkey page.
So a surgical fox eye is two procedures in one session: a canthopexy or canthoplasty at the corner, and a temporal lift at the brow. The two must be planned together, because each changes how the other reads. A lifted brow tail over an unsupported corner looks mismatched; a lifted corner under a heavy, low brow tail looks pulled.
Some patients ask me for a fox eye and some for a cat eye, and I perform what the patient wants once we have looked together at what lifting the brow tail does on their own face. The honest observation is that a fox eye looks best on a patient whose outer brow has genuinely dropped, so that lifting it restores a position the face once had. On a young patient whose brow already sits where it should, lifting the tail further moves toward the severe, surprised look that the rating study above measured, and I say so before surgery.
Why I Do Not Chase the Filtered Version
The dramatically slanted eyes in edited photographs are a product of makeup, camera angle, lighting and software. Surgery cannot copy an image that was never a real face, and trying to do so is how the two serious complications of this operation happen: visible asymmetry between the two eyes, and over-correction, meaning a corner that sits too high and looks stretched. A corner that has been pulled too far cannot simply be released back; correcting it is a reconstruction. A 2023 series of fifteen women who had been operated on elsewhere for aesthetic corner lifts and needed repair listed webbing of the corner, a rounded corner, lower lid retraction, white showing below the iris and an everted lid among the problems. All of them could be improved, but none of them should have happened.
My target is a corner that sits where it would on a young, rested version of your own face. On most faces that is a positive tilt of a few degrees, not a slant. If your goal is the filtered look, I am not the right surgeon for you, and I would rather say so before surgery than after.
Threads, Injections and Filler: What They Can and Cannot Do
Most of what is sold online as a “fox eye lift” is not surgery. It is a thread procedure: absorbable barbed threads passed through the temple to pull the brow tail and the outer corner upward. I do not offer it, for one reason: it does not last. The threads dissolve and the tissue returns to where it was, usually within a year, and the eye area is where threads hold least well because there is very little tissue for them to grip and the skin is thin enough for irregularities to show. A 2026 multicenter analysis of two thousand thread lift cases reported an overall complication rate of 12.4 percent, with skin dimpling or retraction in 6.4 percent and asymmetry in 2.9 percent. Those are not trivial figures for a temporary result.
Wrinkle-relaxing injections can lift the tail of the brow by a millimeter or two for a few months by relaxing the muscle that pulls it down. That is reasonable if you want a small, temporary change. Filler is sometimes offered for the brow and temple; when volume is needed there, I use the patient’s own fat (fat injection) rather than a synthetic filler. Neither injections nor fat move the outer corner of the eye itself, and there is no reliable way to preview the result of surgery with them. They are not a way to achieve a cat eye, because the corner is held by a tendon, and no injection moves a tendon.
Which One Suits Your Face
I decide by looking at three things, and you can look at them yourself in a mirror with a neutral expression.
- Where the outer corner sits. Level with or below the inner corner, with a round or downturned eye: the corner is the problem, and a canthopexy or canthoplasty (a cat eye) is the answer. Already slightly above the inner corner: there may be nothing to gain, and I will say so.
- Where the brow tail sits. Lift the outer third of your brow gently with a fingertip. If the eye region looks rested and more open, the brow has dropped and a temporal lift belongs in the plan. If it looks surprised or stretched, the brow is already where it should be, and lifting it would hurt the result. This simple test separates most fox eye candidates from most cat eye candidates.
- How loose the lower lid is. Gently pull the lower lid down and let go. If it snaps back at once, the tendon is sound and a canthopexy usually suffices. If it returns slowly, or the corner has rounded with age, support at the corner is needed, and in patients over forty it is usually combined with lower blepharoplasty, because the corner is rarely the only thing that has changed.
Put simply: a young patient with a level or downturned corner and a well placed brow is a cat eye candidate. A patient whose brow tail and outer corner have both dropped with time is a fox eye candidate in the surgical sense: a temporal lift with canthal support, often together with eyelid surgery, and the result looks rested rather than slanted. If you are unsure whether the heaviness comes from the lid or the brow, the eyelid surgery guide has the mirror test I use in consultation. Bags or hollows under the eye are a separate problem: under-eye bags.
How I Perform It
Corner surgery is performed in an accredited hospital with an anesthesiologist present, under general anesthesia. The incision at the corner sits in the natural crease at the outer edge of the eye and is a few millimeters long; when lower blepharoplasty is done in the same session, the corner is reached through the blepharoplasty incision and there is no extra scar. The tendon is either supported with a suture (canthopexy) or released and reattached higher (canthoplasty). A canthopexy adds fifteen to twenty minutes to an eyelid operation; a canthoplasty on its own takes about an hour. Most patients stay one night in hospital; a day case is possible depending on the patient, but I find one night the safer choice. Fine sutures are removed at five to seven days. There are no drains in eyelid surgery.
When a temporal lift is part of the plan, it is done in the same session through a small incision in the temple hair, endoscopically, and adds roughly an hour. The order matters: the brow is positioned first, then the corner is set to match it, so that the two elements agree.
Symmetry is checked repeatedly during surgery, with the head straight, because a difference of one or two millimeters between the two corners is visible at conversation distance. A slight over-correction at the end of the operation is intentional and settles over the following weeks.
Your Week in Istanbul
- Day 0. Consultation and examination in person, photographs, and confirmation of the plan: canthopexy or canthoplasty, with or without a temporal lift or eyelid surgery. Surgery the same or the next day.
- Days 1 to 5. Rest with the head elevated, cold compresses, no long screen or reading sessions in the first days. Swelling and bruising at the outer corner peak around day two to three and then recede. Short walks are fine.
- Days 5 to 7. Sutures out, final check, and clearance to fly. Most patients fly home between day five and day seven, so plan about a week in Istanbul.
Recovery After You Fly Home
Desk work is usually possible from day seven to ten. The eye shape looks slightly over-corrected and a little tight in the first two to three weeks; that is expected and it softens. Sunglasses outdoors for the first month protect the corner from sun and wind. Contact lenses, driving and light exercise resume from around two weeks, and strenuous training from about four weeks. The corner settles into its final position at two to three months, and this is when the result should be judged. Photographs taken at two weeks are not the result. For a canthopexy alone the timeline is shorter, and when a temporal lift or blepharoplasty is combined, the recovery follows the larger procedure. The recovery planner builds a day-by-day plan around your own surgery date.
Risks and Honest Limits
This is a precise operation on the most visible structure of the face, and the risks follow from that. In a published series of four hundred patients who had canthal support with upper and lower eyelid surgery, the corner relapsed partially in 4 percent, a temporary blood collection occurred in 3 percent, watering of the eye in 3 percent, uneven lid position in 2 percent, and conjunctival swelling in 1 percent. Temporary effects that most patients experience to some degree are swelling of the thin membrane over the eye, dry or watery eyes for a few weeks, mild blurring in the first days, and numbness at the incision. Rarely a small web of skin forms at the corner. As with any operation there is a small risk of infection or bleeding.
The honest limits are these. The surgery changes the position of the corner and, when a temporal lift is added, the brow tail. It does not change the size of your eyes, the shape of your eye socket, or the distance between your eyes. It does not stop the face from aging, although the repositioned tendon does not simply return to where it was. And it cannot reproduce an image that was created by software. Patients with significant dry eye disease, or with a lower lid already pulled down by previous eyelid surgery, need a different and more complex plan first, and I will tell you if that is your situation.
What Shapes the Price and What Is Included
- Canthopexy or canthoplasty: the second is a longer operation.
- Whether a temporal lift is added for the brow tail.
- Whether upper or lower blepharoplasty is combined in the same session.
- The anesthesia and the hospital stay: usually one night.
Every quotation is all inclusive: the surgery, the hospital stay, the anesthesia, medication, your accommodation, airport and clinic transfers, and the follow-up visits and post-operative contact in Istanbul. I give a written quotation after reviewing your photographs, not before.
Before and After: How to Read the Photographs
Judge corner surgery only on photographs taken at least two to three months after surgery, straight on, with the head level and a neutral expression. A photograph taken from below, or with the chin tilted down, exaggerates any upward tilt; a smile lifts the corners of every eye. Compare the two eyes with each other, not with a filtered reference image. The before and after gallery shows what a settled result looks like; many of my patients prefer not to have their photographs published, and I show more cases in a video consultation.
Send your photographs for an assessment. A straight-on photograph with a neutral expression and the head level, and a second one with your eyes closed, are enough for me to tell you whether your outer corner needs support or repositioning, whether your brow tail has dropped, and whether eyelid surgery should be part of the plan. Send them on WhatsApp, +90 544 772 0772, or by email, info@mustafaaydinol.com, whichever you prefer.
Frequently Asked Questions
What is the difference between fox eye and cat eye surgery?
A cat eye changes only the outer corner of the eye, with a canthopexy or canthoplasty. A fox eye adds a temporal lift that raises the tail of the eyebrow toward the temple. Same corner procedure, with or without the brow.
Is fox eye surgery permanent?
The surgical version is long lasting, because the tendon is repositioned and the brow is fixed at a new height. The thread version is not surgery and usually wears off within a year.
Which is more natural, fox eye or cat eye?
On most faces, the cat eye. Raising the brow tail on a brow that has not dropped reads as severe rather than attractive, and the research on how people perceive lifted brows and corners supports that. A fox eye looks natural only when the brow tail had genuinely fallen.
Can I have cat eye surgery without blepharoplasty?
Yes, in younger patients with no excess skin or fat. In patients over forty the corner has rarely changed alone, and I usually combine canthal support with lower blepharoplasty.
How long is the recovery?
Sutures come out at five to seven days, desk work is possible from day seven to ten, and the corner settles into its final position at two to three months. A canthopexy alone is quicker; a combination with a temporal lift or eyelid surgery follows the longer recovery.
Can a fox eye be done with threads or filler instead?
Threads give a temporary lift that fades within a year and carry their own complications; I do not offer them. Wrinkle-relaxing injections can lift the brow tail slightly for a few months, and volume at the brow can be added with your own fat, but nothing except surgery moves the outer corner of the eye.
About the Surgeon
Dr. Mustafa Aydınol is a plastic, reconstructive and aesthetic surgeon practicing in Istanbul, a member of ISAPS and of the Turkish Society of Plastic Reconstructive and Aesthetic Surgeons. The practice holds Health Tourism Authorization from the Turkish Ministry of Health.
Sources
- Bashour M, Geist C. Is medial canthal tilt a powerful cue for facial attractiveness? Female faces with an accentuated upward canthal tilt were preferred 93 percent of the time. Ophthalmic Plastic and Reconstructive Surgery, 2007. DOI
- Liu AS, Salinas CA, Sharaf BA. Using artificial intelligence to quantify sexual dimorphism in aesthetic faces: analysis of 100 facial points in 42 Caucasian celebrities. Attractive female faces showed greater canthal tilt than male faces; no face in either sex showed scleral show. Aesthetic Surgery Journal Open Forum, 2023. DOI
- Kempa J, Kasielska-Trojan A, Gabryszewski M, et al. Understanding the impact of eyebrow and lateral canthal height on the perception of character traits: a rating-based analysis of 2,081 participants. Raising the eyebrow or the outer corner reduced perceived attractiveness, femininity and trustworthiness and increased perceived dominance and threat. Journal of Plastic, Reconstructive and Aesthetic Surgery, 2025. DOI
- Botti G, Botti C, Rossati L, et al. “Dynamic canthopexy”: drill hole canthal repositioning. Thirty patients; tendon anchored to the bone, average operating time one hour, deliberate initial over-correction, result considered permanent at about six months. Aesthetic Surgery Journal, 2019. DOI
- Mahmood Fars BJ. Modified lateral canthopexy with upper and lower blepharoplasties for aesthetic refinements. Four hundred patients; relapse 4 percent, temporary hematoma 3 percent, watering 3 percent, uneven lid position 2 percent, conjunctival swelling 1 percent. Asian Journal of Surgery, 2023. DOI
- Zhang L, Chen Y, Li Y, Li D. Restoration of the lateral canthus and stabilization of the lower eyelid after failed esthetic lateral canthoplasty. Fifteen patients, 25 eyelids; deformities included canthal webbing, rounded corner, lower lid retraction, scleral show and ectropion. Journal of Craniofacial Surgery, 2023. DOI
- Okumura K, Tamura T, Funakoshi Y, Teranishi H. Incidence and predictors of complications after polydioxanone thread lift: a multicenter retrospective cohort study. Two thousand cases; overall complication rate 12.4 percent, skin retraction 6.35 percent, asymmetry 2.9 percent. Aesthetic Plastic Surgery, 2026. DOI
