
He practices full scope optometry, providing treatment and management of ocular diseases, corneal refractive therapy, and contact lenses and vision therapy. Dr. Cohan continues to be on the forefront of technology to provide the most up to date and comprehensive care for his patients for the treatment and management of all types of ocular disease. Maintaining his strong commitment to vision development, Dr. Cohan continues to specialize in pediatric vision care programs, including particular expertise in vision therapy and the diagnosis and treatment of learning related vision problems. He also specializes in hard to fit contact lenses as well as extensive expertise fitting bifocal contact lens patients.
Dr. Cohan lectures frequently on contact lenses to other optometrists for Ciba Vision as well as being a pre-clinical evaluator for newly developed contact lenses before they are launched nationally. He also serves as an optometric medical billing consultant helping fellow optometrists institute the medical model of optometry to their practices.
In June 2008 Dr. Cohan received a "Providing Legendary Patient Care" award at a conference sponsored by Ciba Vision and Essilor in Schaumburg, Illinois. He was featured in a Pioneer Press cover story on vision therapy and has been featured several times in the Pioneer Press for his dedication and work with his patients. He has also been featured in articles published by iParenting.com. He is a regular guest speaker at suburban Chicago public and private schools on the topic of vision therapy and works closely with school educators on identifying and treating learning-related vision problems in school-age children.
Dr. Cohan resides in Buffalo Grove with his wife and two children. He enjoys playing tennis, exercising, attending sporting events, traveling and spending quality time with his family.

She practices full scope optometry, providing treatment and management of ocular diseases, corneal refractive therapy, and contact lenses.
Dr. Delgadillo lives in Round Lake with her husband and daughter. She enjoys photography, volleyball and a variety of outdoor activities.