Allon Barsam is an ophthalmological surgeon and performs advanced ophthalmological procedures for complex eye conditions. He consults from clinics located at London's Wimpole Street and Lodge Road and from the Spire Hospitals located in Bushey Heath and Harpenden in Hertfordshire. He has extensive experience in performing procedures for UK and international patients, including LASIK laser-based procedures to correct refractive vision errors, cataract surgery, intra ocular lens implantation, refractive lens exchange procedures, advanced surface ablation procedures, procedures for Keratoconus, as well as corneal transplants. Allon is one of the most highly-regarded specialists in his field.