Lamont M. Sprague, OD


Dr. Sprague is a member of the American Optometric Association, Illinois Optometric Association, and Lake-McHenry Counties Optometric Association. Dr. Sprague has participated in civic organizations including Rotary and Jaycees. He provides complete family eye care, including contact lenses and treatment of eye disease. He has emphasized continuing education throughout his career and his ongoing commitment to furthering clinical knowledge continues to this day.

Dr. Sprague resides in Crystal Lake with his wife, Vicki. They have 3 grown daughters and 3 grandchildren. In his free time, he enjoys golfing, watching all sports, and spending time with family.

Kaitlyn Sprague Keller, OD, FAAO

k.keller.websitebiopicDr. Keller was born and raised in Crystal Lake, Illinois. She earned her Bachelor’s of Science from the University of Illinois at Urbana-Champaign, majoring in molecular and cellular biology. She completed her graduate education at the Illinois College of Optometry in Chicago where she was a member of the Beta Sigma Kappa Optometric Honor Society. Her clinical training included rotations at Jesse Brown Veterans Affairs Medical Center in Chicago, ocular disease and pediatrics at the Illinois Eye Institute, as well as primary care and contact lens at private practices throughout the Chicagoland area.

She received her Doctorate in Optometry in 2012 from the Illinois College of Optometry and went on to complete a post-graduate residency in primary care and ocular disease at the Illinois Eye Institute. In this additional year of training, Dr. Keller gained experience in primary care, ocular disease, ocular emergencies, pediatrics and contact lens, as well as co-managed pre- and post- surgical cases while working alongside ophthalmologists. In 2016, Dr. Keller earned her fellowship in the American Academy of Optometry. 

Dr. Keller resides in Crystal Lake with her husband Christian, who is an anatomy and physiology teacher and coaches football at Palatine High School. They have three children--Kaden, Mila, and Charley. In their free time, they enjoy spending time with family including their six nieces and nephews, skiing and traveling to their family cabin. As a long-time Crystal Lake resident, she is happy to be home and active in the community. Having grown up with her father influencing her desire to treat and care for patients, it has been an honor to join the family practice!


Tyler Doersam, OD 

Dr.TylerDr. Doersam is a native of Warren, Illinois. He received his undergraduate degree from Olivet   Nazarene University in Bourbonnais, Illinois, earning a bachelor's degree in Biology, a minor in   Chemistry and graduating Cum Laude. While in college, Dr. Doersam was a member of the Olivet   Nazarene football team and Biology Club. He then went on to obtain his Doctorate of Optometry   from the highly respected Pennsylvania College of Optometry. 

Dr. Doersam has completed clinical rotations at James H. Quillen VA Medical Center, managing   ocular disease and glaucoma, The Eye Institute's Pediatric Department, managing vision and   ocular motility concerns in children, and was also awarded with Clinical Excellence at the Thomas Lynch Pediatric Unit. He also completed contact lens training, including specialty lenses, in private practice in Philadelphia. Dr. Doersam is Board Certified in the Treatment and Management of Ocular Disease. He is also a member of the American Optometric Association and Illinois Optometric Association.

Dr. Doersam resides in St. Charles, Illinois with his wife, Michelle, his daughter, Adriana, and his son, TJ. Personally, he enjoys spending time with friends and family, working out, and is an avid Chicago sports fan. 

Professionally, Dr. Doersam's interests include seeing families and contact lens patients. He especially enjoys working with children. His goal is to provide the best patient care possible, and make every person feel comfortable and confident in the care they receive.


Elizabeth Mihevc, OD 

Dr. Elizabeth photo

Dr. Mihevc was born and raised in McHenry, Illinois and currently resides in Lake in the Hills. She earned her Bachelor of Science in Psychology at the University of Illinois Urbana-Champaign, and in 1992 she received her Doctor of Optometry degree from Illinois College of Optometry in Chicago.

While at optometry school Dr. Mihevc completed clinical training at Olympia Fields Osteopathic Hospital, The Chicago Lighthouse, and the Illinois Eye Institute in units specializing in primary care, pediatrics, and contact lenses. She practiced comprehensive family eye care optometry in Algonquin for nearly 30 years before joining Lifetime Vision. She is a member of the Illinois Optometric Association and the American Optometric Association.

Professionally, Dr. Mihevc enjoys getting to know patients of all ages and strives to provide thorough eye care and recommend the most modern testing, treatments, and contact lens options and glasses technologies. She can relate to her patient’s visual needs as she has been wearing glasses and contact lenses since age 8. Receiving her first pair of glasses is still a vivid memory and shaped her future career choice. Personally, she is active in her church community and enjoys spending time with her three adult children and their spouses, as well as cooking, hiking, cross-country skiing, and bird-watching.

Our Mission

It is the mission of Lifetime Vision & Contact Lens Center to contribute to a lifetime of healthy vision by providing each patient with the best possible care to enhance quality of life. We will seek continuing education to remain at the forefront of our profession and will offer the latest in eye care technology, professional services, and products. The visual needs and wellness of each patient will always be our first priority. We will accomplish this in an atmosphere of uncompromised service, value, and friendliness.