The Illinois College of Optometry (ICO) is a 4-year private optometry college located in the city of Chicago, Illinois. Graduating approximately 160 optometrists a year, it is the largest optometry college in the United States and is the oldest continually operating educational facility dedicated solely to the teaching of optometrists. The College complex incorporates more than 366,000 square feet (34,000 m2) including an electronically enhanced lecture center, library, computerized clinical learning equipment, and recreational and living facilities.