The group's principal activity is to provide eye care services and operate ambulatory surgery centers. The group operates through three business segments: surgical facilities segment, product sales segment and management services segment. Currently the group owns and operates 17 ambulatory surgery centers which provide single speciality ophthalmic surgical facilities such as cataract and refractive surgery. It also owns optical products and services organization that sells corrective lenses, eyeglass frames and contact lenses. The group operates under service agreements where it supplies eyeglasses, contact lenses and other optical products and provides excimer lasers and other services to eye care professionals for their use in performing laser vision correction surgery. The group provides research services for eye care devices or pharmaceuticals being developed or tested in clinical trials.