Measure it yourself
Measure your eye-corner angle in degrees — positive (hunter eyes), neutral, or negative. Free, on-device.
What canthal tilt actually is
Canthal tilt is a simple geometric measurement: the angle between your inner canthus (the corner of your eye closest to your nose) and your outer canthus (the corner closest to your ear), measured relative to a horizontal line.
Draw a straight line from the inner corner of your eye to the outer corner. If that line tilts upward toward the outer corner, you have a positive tilt. If it tilts downward, you have a negative tilt. If it's basically flat, you have a neutral tilt. That's the whole concept — no mystery, no subjective judgment call, just an angle in degrees.
It's an anatomical feature everyone has, whether or not they've ever thought about it. What's changed is that online face-analysis and aesthetics communities have started using the term constantly, often tied to loaded labels like "hunter eyes" (positive tilt) as shorthand for a look they consider more striking or youthful.
Positive, negative, and neutral tilt
Positive canthal tilt means the outer corner of the eye sits higher than the inner corner. This is the tilt commonly nicknamed "hunter eyes" in online aesthetics discussions, and it's often described as reading more alert or youthful. It's the shape you'll see used as a reference point in a lot of "ideal eye shape" content.
Negative canthal tilt is the reverse — the outer corner sits lower than the inner corner. This is sometimes casually referred to as "prey eyes" in the same online spaces, though that's an informal, non-clinical label, not a diagnosis of anything.
Neutral canthal tilt sits in between, with the inner and outer corners at roughly the same height. Most people, when actually measured, land closer to neutral than to a strongly positive or negative tilt.
None of these categories are medical conditions. Canthal tilt is just a normal anatomical variation, similar to eye color or the shape of your eyebrows. It varies by ethnicity, individual anatomy, and even subtly by which side of your face you're looking at — most people have slightly asymmetric tilt between their left and right eye.
Why people in face-analysis communities care about it
Interest in canthal tilt mostly comes from online "looksmaxxing" and facial-aesthetics communities, where it's treated as one of several traits (alongside jawline definition, facial symmetry, and others) that get discussed as contributing to how "striking" a face reads. This is a cultural and aesthetic conversation, not an established scientific consensus — there isn't a rigorously peer-reviewed body of research proving that a specific tilt angle causes people to be rated as more attractive. It's better understood as a popular framework people use to talk about eye shape, similar to how "golden ratio" gets used to talk about facial proportions.
That said, the underlying geometry is real and measurable, which is why it's a useful, concrete thing to look at rather than a vague concept like "eye shape."
How canthal tilt is actually measured
Clinically or manually, canthal tilt is measured by identifying the inner and outer corner of each eye and calculating the angle of the line connecting them relative to horizontal.
Our team built FaceRated's canthal tilt calculator to do this automatically from a photo. Here's what's actually happening under the hood: the tool runs a 478-point face mesh directly on your device (nothing is uploaded to a server), locates the inner and outer corner landmark for each eye, and calculates the angle between them using standard trigonometry (specifically, an arctangent of the vertical-to-horizontal distance between the two points). It does this for both eyes and averages the result, since most people have a slightly different tilt on each side.
The tool then reports your tilt in degrees, and classifies it: more than about +1.5° is labeled positive ("hunter eyes"), less than about -1.5° is labeled negative, and anything in between is labeled neutral. That small buffer zone around zero exists because eye corners are never perfectly measured to the sub-pixel, and a strict zero cutoff would make borderline results flip categories from noise alone.
Because the measurement is landmark-based rather than a human eyeballing a photo, it's consistent — the same photo will always produce the same angle — though results can shift a little based on head tilt in the photo, camera angle, or image resolution, so it's a good idea to look at more than one photo if you want a stable read.
Try FaceRated's Canthal Tilt Calculator
If you want an actual number instead of guessing from a mirror, try the canthal tilt calculator. Upload a front-facing photo and it will return your tilt in degrees along with a positive/negative/neutral label, computed entirely on your device.
For a deeper look at what each category tends to mean in practice — and whether tilt can be changed — see our companion post comparing positive vs. negative canthal tilt.
Frequently Asked Questions
Is a positive canthal tilt rare?
It varies by population and there's no single verified figure for how common each tilt category is. What we can say from measuring lots of photos through our tool is that most people land closer to neutral than to a strongly positive or negative reading — sharply positive tilt is less common than mild positive or neutral.
Can canthal tilt change over time?
Skin elasticity and brow position can shift subtly with age, which can make tilt look slightly more negative later in life for some people. But the underlying bone and soft-tissue structure of the eye corners is largely fixed from a young age.
Is canthal tilt the same as eye shape?
No. Eye shape covers things like almond, round, or hooded eyes — overall contour and lid structure. Canthal tilt is specifically about the angle between the two corners, which is one component of overall eye shape but not the whole picture.
Does canthal tilt affect vision?
No. It's a purely aesthetic/structural measurement of eye corner position and has no established connection to visual acuity or eye health.
FaceRated Research Team