AI Eye Shape Detector: Hunter Eyes, Almond, Hooded & PFR Calculator
Stop guessing your eye shape in the mirror. Measure your exact Palpebral Fissure Ratio (width ÷ height), roll-calibrated canthal tilt angle, and lower-lid scleral alignment 100% privately in your browser.
Sample Biometric Dossiers: Portrait In → Proportion Report Out
Select any studio dossier below to inspect its live 478-point mesh, mandibular contour, or mirror symmetry above.
8.9 / 10 · 6.9 PSL
478 BIOMETRIC MESH
Sophia · The Neoclassical Muse
98.3% Symmetry · Balanced Oval · Geometric Fit
8.8 / 10 · 6.8 PSL
JAWLINE & CANTHAL TILT
Marcus · The Sculpted Sovereign
117.9° Contour · +4.6° Tilt · Browline Fit
8.8 / 10 · 6.8 PSL
MIRROR SYMMETRY & PHI
Chloe · The Bilateral Muse
99.0% Symmetry · 1.567 Phi · Wayfarer Fit
01 · DATA
Clinical Eye Shape Classification by PFR & Canthal Tilt Matrix
Chart
Clinical Eye Shape Classification by PFR & Canthal Tilt Matrix
Rather than subjective beauty quizzes, oculoplastic anthropometry classifies orbital shapes using two objective coordinates: Palpebral Fissure Ratio (eye width divided by vertical aperture) and medial-to-lateral canthal tilt:
| Eye Shape Class | Palpebral Fissure (PFR) | Canthal Tilt Vector | Signature Structural Traits |
|---|---|---|---|
| Hunter / Feline | 3.12 – 4.10 PFR | +2.0° to +7.0° | Horizontally elongated aperture, compact brow-to-lash span, tight lower lid. |
| Classic Almond | 2.72 – 3.11 PFR | +1.0° to +4.8° | Balanced oval iris exposure with subtly tapered medial and lateral corners. |
| Round-Almond | 2.35 – 2.71 PFR | -0.8° to +2.2° | Generous vertical aperture height conveying openness and high iris clarity. |
| Down-Turned / Expressive | 2.40 – 3.05 PFR | -1.0° to -5.0° | Warm cinema-classic lateral slope; pairs effortlessly with upward-swept browline frames. |
02 · SCIENCE
What Is Palpebral Fissure Ratio (PFR) and How Does AI Classify Eye Shapes?
Methodology
What Is Palpebral Fissure Ratio (PFR) and How Does AI Classify Eye Shapes?
Most online 'what is my eye shape' quizzes ask vague questions about crease visibility that change with morning puffiness or squinting. Our analyzer measures true bony and soft-tissue orbital geometry across MediaPipe periorbital landmarks (#33, #133, #159, #145 on the right orbit; #263, #362, #386, #374 on the left) plus 10 iris boundary nodes.
Furthermore, our 52-Blendshape Expression Compensator detects subtle squinting (`eyeSquintLeft/Right`) and cheek-raise smiling so you cannot accidentally 'squint-fake' a higher PFR—giving you your honest resting orbital geometry.
Inferior Scleral Show, Brow-to-Eye Span & Styling Counterbalances
By comparing the inferior iris limbus (#472/#477) against the lower palpebral margin (#145/#374), the engine checks whether your lower eyelid rests tightly against the corneal rim ('Tight Lower Lid') or reveals a sliver of white sclera ('Mild Scleral Show').
Open your free 40-Metric Dossier above to inspect your exact PFR, canthal degree, ESR spacing, and tailored brow/eyewear framing prescriptions.
03 · PROTOCOL
Palpebral Fissure Ratio (PFR), Scleral Show & Periorbital Grooming
Protocol
Palpebral Fissure Ratio (PFR), Scleral Show & Periorbital Grooming
“Periorbital attractiveness correlates strongly with harmonious horizontal-to-vertical palpebral fissure proportions (2.75–3.25) and symmetric upper-to-lower lid apposition against the limbus.”
Non-Invasive Brow, Lash & Optical Styling by Eye Shape
Once your palpebral fissure ratio and tilt are quantified, small grooming adjustments create immediate visual harmony:
1. Almond & Hunter Eyes (PFR ≥ 2.85)
Keep eyebrows clean and straight-horizontal without over-arching the peak. Rimless, geometric, or classic aviator frames showcase elongated orbital width.
2. Round-Almond Eyes (PFR < 2.72)
Extend brow tails slightly outward and choose wider rectangular, browline, or subtle cat-eye frames to add horizontal breadth across the orbital third.
3. Neutral or Mild Scleral Show
Elevate camera pitch +4° to +6° above eye level, prioritize 7.5+ hours of low-sodium sleep to minimize infraorbital edema, and avoid dark eyeliner on the lower waterline.
04 · FAQ
Frequently Asked Questions & Specialized Proportion Analyzers
Answers
Frequently Asked Questions
What is the difference between Hunter eyes and Almond eyes?
Both share positive or neutral-positive canthal tilt, but Hunter/Feline eyes combine a higher Palpebral Fissure Ratio (PFR ≥ 3.12, wider relative to vertical opening) with a lower, straighter brow ridge, whereas Almond eyes sit around 2.72–3.11 PFR.
Does squinting change my eye shape test result?
Uncalibrated apps get fooled by squinting, but FaceRatingScore reads 52 facial blendshape muscle weights to compensate for active orbicularis oculi squinting and smiling.
What is an ideal Eye Separation Ratio (ESR)?
Clinical studio harmony centers around 0.45 to 0.47 ESR (inter-pupillary distance divided by bizygomatic cheekbone width), matching the classical One-Eye-Apart Fifths canon.
Are my eye photos stored or used to train AI?
Never. All 478-landmark detection runs inside your browser's local WebAssembly sandbox with zero network transmission.
Can eyeglasses change how my eye shape looks?
Yes—bold keyhole bridges visually narrow wide-set eyes, clear thin bridges widen close-set eyes, and ascending browline/wayfarer rims add +2° of perceived lateral lift.
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