Eye shape is one of the most important variables in eye makeup — and one of the most frequently misidentified. The same liner technique that opens up almond eyes can make round eyes look rounder. Shadow placement that creates beautiful depth on a neutral lid completely disappears on hooded eyes. A classic cat wing that looks elegant on upturned eyes can drag down an already downturned eye.
Getting it right starts with accurately identifying your shape and understanding the anatomy behind it. This guide covers all eight main eye shapes, how to pinpoint yours with a reliable mirror test, and the specific techniques that work for each — grounded in how structure interacts with light, shadow, and pigment.
The anatomy behind eye shape
Your eye shape is determined by several anatomical factors that are largely genetic. Understanding these helps you understand why certain makeup techniques work — they are either working with or against underlying bone structure, orbital fat, and geometric angles.
The canthal tilt
The angle of an imaginary line between the inner corner (medial canthus) and outer corner (lateral canthus). Positive tilt = outer corner higher (upturned/cat-eye). Negative tilt = outer corner lower (downturned). Zero tilt = both corners level.
The orbital bone and fat pad
In hooded eyes, a prominent brow bone or excess orbital fat creates a fold of skin that drapes over the crease when open. In monolid eyes, the orbital anatomy creates a flat surface from brow to lashline with no crease.
The intercanthal distance
The gap between your inner corners. The anatomical reference point is roughly one eye-width. Research by facial anthropometrist Leslie Farkas established the average adult intercanthal distance at approximately 32–33 mm. Wider than one eye = wide-set. Narrower = close-set.
The eight main eye shapes
Almond
The neutral baseline. Iris touches both lids, corners level, tapers to a point at each end. No sclera visible. The most versatile shape — nearly every technique works.
Round
More circular, with visible sclera above or below the iris in a neutral gaze. Corners at the same height. Naturally wide, open, and expressive.
Hooded
A fold of skin drapes over the crease when open, reducing visible lid space. The crease is visible when closed but hidden when open. Becomes more common with age.
Monolid
No visible crease — skin runs smoothly from brow bone to lashline. Most prevalent in East Asian descent. Provides a flat canvas ideal for graphic liner.
Downturned
Negative canthal tilt: outer corner sits lower than the inner. Creates a gentle, soft expression. Often perceived as tired even when fully alert.
Upturned
Positive canthal tilt: outer corner sits higher than the inner. Naturally lifted, striking appearance. Often called a cat-eye shape.
Wide-set
The gap between inner corners is wider than one eye-width. Gives a dreamy, open quality. Makeup draws attention inward.
Close-set
The gap between inner corners is narrower than one eye-width. Makeup draws attention outward to create the illusion of more space.
These categories overlap. You can have hooded almond eyes, or wide-set downturned eyes. Most people have a primary shape plus one or two modifying characteristics.
How to identify your eye shape
Stand in front of a mirror in neutral, even lighting — natural daylight from a window is ideal. Open your eyes in a completely relaxed, natural gaze at eye level. Do not look up, look down, widen your eyes, or squint. Work through these questions in order:
Check for a crease
Is a crease visible when your eye is open? No crease at all = monolid. Crease present but partially hidden by overhanging skin = hooded.
Compare corner heights
Is the outer corner lower than the inner? Downturned. Higher? Upturned. Level? Move to the next step.
Look for visible sclera
In a neutral gaze, is any white visible above or below the iris? No sclera + level corners = almond. Visible sclera = round.
Estimate the intercanthal gap
Is the gap between inner corners wider or narrower than one eye-width? Wider = wide-set. Narrower = close-set. These are modifying characteristics layered onto your primary shape.
Makeup techniques for each shape
Each shape has specific considerations — not restrictions. These are the techniques that work best structurally, so you can use them as reliable defaults and build from there.
Almond eyes
Nearly anything works. Classic smoky eye, cut-crease, graphic liner, halo eye — almond eyes handle every technique. Use as baseline and adjust for any modifying characteristics.
Round eyes
Elongate outward. Extend liner and shadow beyond the outer corner and slightly upward. Avoid darkening the full lower waterline — it amplifies roundness. A nude waterline liner keeps the eye wide.
Hooded eyes
Work above the fold. Apply shadow higher than feels natural on a closed lid — it must be above the fold to stay visible when open. Tightline the upper waterline instead of drawing a visible liner stripe that will disappear.
Monolid eyes
Lean into the flat canvas. Graphic liner and bold shapes look stunning. For depth, graduate shadow from light at the lash line to darker toward the brow. Strong lower lash liner adds drama beautifully.
Downturned eyes
Lift the outer corner. Flick liner upward toward the tail of the brow. Apply shadow higher at the outer third than feels natural. Avoid darkening the outer lower lashline — it reinforces the downward angle.
Upturned eyes
Balance rather than amplify the lift. Use a more horizontal wing rather than extending sharply upward. Darkening the outer third of the lower lashline balances the upper lift beautifully.
Wide-set eyes
Draw the eye inward. Concentrate medium-to-dark shadow at the inner corner. Dark liner on the inner waterline pulls perceived center inward. An inner-corner wing is especially effective.
Close-set eyes
Create the illusion of space. Keep inner corners light and highlighted. Focus shadow on the outer two-thirds and extend it beyond the outer corner. Avoid dark liner near the inner corner.
Lashes, liners, and finishing details
False lash style reinforces or counteracts your shape's natural tendencies. Wispy lashes with longer fibers at the outer corner elongate the eye and suit most shapes. Full, uniform-length lashes add roundness — ideal for almond eyes, less so for round. For hooded eyes, lighter or shorter false lashes tend to look more natural because very full false lashes can sit below the fold.
For round eyes, concentrate longer fibers toward the outer corner to add elongation. For downturned eyes, asymmetric lashes with the longest point at the outer corner and a slight upward angle at the end help lift the look.
The tightlining secret
Tightlining — applying liner to the upper waterline, inside the lashline — is one of the most universally effective techniques for any eye shape. It adds depth and definition right at the lash root without creating a visible stripe that can disappear under a fold, smudge onto a lid, or look thick on a small lid. A black pencil tightlining the upper waterline makes lashes look fuller and the eye more defined with no drawbacks for any shape.
Eye shape detection algorithms — like the one powering PrettyScale's Eye Shape Detector — use MediaPipe's 468-point face mesh to calculate canthal tilt angle, intercanthal distance relative to eye width, and the visibility of the orbital crease when the eye is in a neutral open position. This gives a reliable shape classification that mirrors the manual mirror-test process above.