Meet Our Doctors


At Deerfield Optical, we share an office with Ophthalmology Partners, Ltd. Our doctors are all board certified ophthalmologists, and highly skilled in their specialties.

Dr Ronald May

Dr. Ronald C May, MD

is a board certified ophthalmologist who practices in Deerfield and Lake Forest. He is a graduate of Lafayette College and The Chicago Medical School (1963). His internship and his residency were at Michael Reese Hospital. He was Captain in the US Army which included a year in Vietnam. He is a past president of the Illinois Association of Ophthalmology and past president of the Chicago Ophthalmological Society. Dr. May received the Humanitarian Award from the Illinois Association of Ophthalmology for being instrumental in creating a phacoemulsification course at the Vietnam National Institute of Ophthalmology in Hanoi and the fundraising for construction of the Vinh Linh Blind Facility.

Dr Mitchell L Warren MD

Dr. Mitchell L Warren, MD

is a board certified ophthalmologist who practices in our Deerfield and Lake Forest offices. He was born on Chicago’s South Side and moved to the North Shore where he attended New Trier West High School. He graduated from Oberlin College with a major in physics and music. Dr. Warren played music professionally for several years, ending up in New York where he attended Columbia University. After graduating from Chicago Medical School, Dr. Warren interned at Rush Medical Center. He completed his residency at Cook County Hospital where he developed a strong background in diabetic eye disease, glaucoma and cataract surgery. He resides in Lake Forest with his wife and three children.

Dr Tamara Fountain

Dr. Tamara R Fountain, MD

is a board certified ophthalmologist and a graduate of Stanford University and Harvard Medical School. She practices in our Deerfield office. She completed her ophthalmology residency at Johns Hopkins University and a fellowship in ophthalmic plastic and reconstructive surgery at the University of Southern California. Dr. Fountain is Professor at Rush University Medical Center in Chicago. She lectures on reconstructive and cosmetic eye surgery at various scientific meetings and across the country and abroad. Currently she is Chair of The Board of Ophthalmic Mutual Insurance Company (OMIC) and Secretary for Member Services for the American Academy of Ophthalmology.
You may visit Dr Fountain’s website by following this link. DrFountain.com

Dr Diany S Morales

Dr. Diany S Morales, MD

is a board certified ophthalmologist who specializes in the treatment of cataracts, glaucoma and has a specialty in pediatric ophthalmology. She practices in our Deerfield and Lake Forest offices. She went to medical school at Universidad Nacional Autonoma de Honduras and did her internship at Rush Medical Center. Dr. Morales did her residency in ophthalmology at Bascom Palmer Eye Institute. She continued at Bascom Palmer with her fellowship and was trained in the treatment of children’s special ocular diseases. As such, she practices Family Ophthalmology, treating newborns and children for their glasses, strabismus, amblyopia and congenital cataracts as well as their parents and grandparents for glasses, glaucoma and cataracts. Dr. Morales is Assistant Professor of Ophthalmology at Rush University Medical Center in Chicago where she teaches residents pediatric ophthalmology. She lives in Deerfield with her husband and two children and is active in her children’s school.