1. Indications for surgery: chronic eye congestion; eye congestion due to fatigue and lack of sleep; yellowing of the white part of the eye; eye congestion caused by excessive alcohol consumption; fear of looking directly at others due to eye congestion; plaque in the eye; eye congestion caused by eye surgery; severe eye congestion in confined spaces; postoperative or trauma-induced scarring; 2. Congestion; glaucoma and glaucoma surgery; thin sclera; grey part of the eye; infectious eye disease; under 20 years of age; autoimmune disease (rheumatoid arthritis); Gilbert’s syndrome; adhesive conjunctivitis.