Owns and manages refractive eye care centres throughout North America, specializing in laser vision correction services to treat common refractive disorders such as myopia (nearsightedness), hyperopia (farsightedness) and astigmatism; and provides refractive equipment access and services to independent surgeons through either fixed or mobile delivery systems. Through its ambulatory surgery centre (ASC) subsidiaries, develops, manages and has equity participation in single- and multi-specialty ASCs.