Positive vs Negative Canthal Tilt
One eye line, three directions. Drag from −10° to +10°. The outer corner, the signed angle, and the direction all update together.
Quick measureOn this device
Measured on this device. Your photo is not uploaded.
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Interactive comparison
+4.0°
positive
Outer eye corner sits higher than the inner corner.
Negative
Outer corner below the inner corner. Below −2° in the display band.
Near level
Corners close to the reference. −2° through +2°, with the sign still shown.
Positive
Outer corner above the inner corner. Above +2° in the display band.
Geometry only
| Feature | Positive | Near level | Negative |
|---|---|---|---|
| Outer corner | Higher than the inner corner | Close to the inner corner’s height | Lower than the inner corner |
| Signed angle | Greater than 0° | Either sign, small magnitude | Less than 0° |
| Display band on this site | Above +2° | −2° through +2° | Below −2° |
| What it does not say | Not a target angle | Not a perfect face | Not a health or character finding |
Read the direction pages for positive, negative, and near level. The manual steps are on how to measure.