Dr. Gregory L. Leischer


Dr. Gregory Leischer grew up in northcentral wisconsin in the town of Medford. He completed his undergraduate requirements at the University of Wisconsin-Eau Claire, concentrating his studies in Biology and Physics. He received his doctor of Optometry degree with honors from the Illinois College of Optometry in 1997.

Upon graduation, Dr. Leischer joined the Eyecare Center of Wausau. Now in his 22nd year of practice, Dr. Leischer provides full scope optometric care. He especially enjoys the treatment and management of ocular diseases including glaucoma, diabetic retinopathy and emergency eyecare.

Dr. Leischer lives in Wausau and is an avid outdoorsman. He enjoys spending time with his wife Tammy, 3 children and 2 grandchildren at the family cabin.

Dr. Kelsey Koerner


Dr. Kelsey Koerner comes from the Medford area. She completed her undergraduate studies at the University of Wisconsin-La Crosse with a major in Biomedical Science. She is an Honor Society graduate of the University of Indiana – Bloomington’s 2016 Optometric Program with specialized training in neuro-optometric rehabilitation, vision therapy and pediatric vision care.

Dr. Koerner has a great desire to be an active member of the community. She currently serves as the Wisconsin Valley Optometric Society President for the Wisconsin Optometric Association. She has participated in several Sports Vision Screenings and Free Eye Health Clinics. She also enjoys volunteering for the Special Olympics vision exams.

She spends her free time exploring Wausau and the outdoors with her husband, her son, her daughter, and their dog. She and her family enjoy biking, hiking, baking, gardening and spending time together with family and friends.

Dr. Lauren Leurquin


Dr. Lauren Leurquin was born and raised in Wausau, Wisconsin. She completed her undergraduate studies at the University of Wisconsin – La Crosse obtaining a Bachelors of Science degree in Biomedical Science and is a 2019 graduate of the Illinois College of Optometry in Chicago. Her clinical passions include pediatrics, contact lenses, and emergency eye care. Dr. Leurquin has always had a desire to return to central Wisconsin to practice optometry and be an active member of the community. She has volunteered at local Special Olympics vision exams and plans to continue doing vision screenings in the area as well as be an active member of the Wisconsin Optometric Association. When not at the office, Dr. Leurquin spends her time on the water with the local water ski team, in the woods biking, running, and hiking, in the kitchen cooking, or anywhere with friends and family.