Evaluation of the AIVARIX in Detecting Signs C 1-2 Classes of CVD

This study is a multicenter observational study, which is carried out in frame of routine clinical practice in Russia. The program will include patients suggestive to chronic venous diseases (CVDs) including but not limited to those with C1 and C2 classes by CEAP classification, who will be seeking professional phlebologists' consultation. Study conduction is scheduled in Russia in 2022-2023. The planned number of patients is 414

Inclusion Criteria:Age over 18 yearsWritten informed consent is providedSymptoms and signs of CVD or any other skin pathologic condition (s) of lower extremities for which a patient seeks for phlebologist's consultationAbility to fulfil the technical requirements for smartphones/ imagesExclusion Criteria:Patients with mental/ psychiatric disabilities who are not able to understand objectives of the study and therefore provide a signed consent to participate in the study.Patient's decision to withdraw his/her consent to participate in the study at any moment of the study conduction