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Table 1 Definition of facial landmarks
| Anthropometric landmark | Definition |
|---|---|
| Lateral canthus | The most lateral point where the superior and inferior eyelids meet |
| Soft tissue dacryon | The most medial point where the superior and inferior eyelids meet (i.e. medial canthus) |
| Soft tissue borders of temporal bone | Most lateral borders of the face in the temporal region |
| Lateral alae | The most lateral points on the rims of the wings of the nose |
| Cheilion | The point located at each lateral oral commissure, i.e. the angle of the mouth |
| Soft tissue menton | The most inferior midline point of the soft tissue chin |
| Trichion | The midline point at the junction of the hairline and forehead |
