Synechia is a medical term that describes the presence of adhesions or scar tissue between two adjacent tissues or organs. Synonyms for synechia include adhesion, fibrosis, scar formation, tissue fusion, and cicatrization. These terms are often used interchangeably in medical literature to refer to the same phenomenon. Synechia can occur in various parts of the body, such as the eyes, uterus, and nasal cavity. The condition can lead to various complications, such as infertility, vision problems, and chronic sinusitis. Treatment for synechia includes surgery, medication, and other interventions aimed at reducing adhesion formation and promoting tissue healing.