Diagnosis of Respiratory Disorders by the Numerical Modeling.

Inclusion Criteria: * 18 years ≤ age \< 70 years * BMI \< 30 kg/m2 * Subject or Patient of Caucasian ethnic origin or from the Mediterranean region. * Asymptomatic subject with or without a septal deviation without sinonasal disease with a NOSE score ≤ 7 Or Patient suffering from chronic nasal obstruction of morphological origin (symptomatic septal or nasoseptal deviation) requiring surgical management with a NOSE score ≥ 9/20, without or .with sleep apnea with an Apnea-hypopnea index ≤ 20 with no other cause than this apnea syndrome Exclusion Criteria: * Acute or chronic rhinosinusitis with or without polyps (except controlled allergic rhinitis) * Vasculitis * Empty nasal cavity syndrome * Septal perforations * History of nasal plastic surgery, sinonasal endoscopic surgery and cancer with head or neck radiotherapy * Uncontrolled bronchopulmonary pathology * Treatments with nasal vasomotor repercussions.