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Description of Measurements
| Measurement |
Landmark |
| Alar width | Alar width right–alar width left |
| Alar base width | Alar base width right–alar base width left |
| Nasal length | Pronasale–Subnasale |
| Nasal height | Nasion soft tissue–Subnasale |
| Nasion–ANS height | Nasion–ANS |
| ANS–PNS length | ANS–PNS |
| Pyriform height | Superior pyriform aperture–inferior pyriform aperture |
| Pyriform width | Par=right pyriform aperture. Pal= left pyriform aperture |
