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Meet The Optometrists

Mark D. Henry, O.D.

Mark D. Henry, O.D.

Owner and CEO of Primary Vision Care

Dr. Mark Henry received his Doctor of Optometry Degree from the Illinois College of Optometry in 1993 and has been practicing for over 25 years. In addition, Dr. Henry received his Bachelor of Arts degree in English from Kenyon College and has attended Ohio State University for Post-Graduate continuing education.

Dr. Henry owns and operates Primary Vision Care offices in Newark, Lancaster, Mount Vernon and Wilmington, Ohio while residing in the area with his wife and four children.

Dr. Henry has served as a member of the Ohio Optometric Association, the American Academy of Optometry and the American Optometric Association. His awards include membership in the Gold Key Optometric Honor Society, former Leadership and Service scholar and Illinois Alumnus of the Year.

Dr. Henry owns and operates Primary Vision Care offices in Newark, Mount Vernon and Lancaster, Ohio while residing in the area with his wife and four children.

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Courtney Hammond, O.D.

Courtney Hammond, O.D.

Medical Director of PVC

Dr. Courtney Hammond is the primary optometrist in our Newark location and practices family optometry with a special interest in pediatrics and specialty contact lenses. Primary Vision Care is also pleased to have Dr. Hammond serve as the acting Medical Director of the practice and is charged with creating, directing and maintaining the standard of patient care that is delivered by all optometrists in each of our locations.

Dr. Hammond was born and raised in Newark, Ohio and joined our practice initially during her high school years as a technician and front desk assistant. She attended Licking Valley High School where she ultimately graduated with honors as the salutatorian of her class. She then went on to Miami University (OH) where she graduated with a Bachelor of Arts degree in zoology and was actively involved in various organizations and extracurricular activities including research in visual psychophysics. Dr. Hammond earned her Doctorate of Optometry degree as a cum laude graduate of the University of the Incarnate Word Rosenberg School of Optometry in San Antonio, Texas. During her time there, Courtney was the recipient of several awards recognizing her academic and clinical excellence and was invited into the Gold Key International Optometric Honor Society and the Beta Sigma Kappa International Optometric Honor Society. She also served as student body president, lead teaching assistant of clinical skills to her fellow colleagues and received the university leadership award for her class.

Dr. Hammond completed externships in several different modes of practice throughout her education. She studied at the Southern Eye Institute in Memphis, Tennessee where she gained a strong understanding of ocular disease and treatment. While there, she participated in tertiary eye care including comprehensive eye examinations, glaucoma, retinal, cataract and LASIK evaluations, and helped manage pre- and post-operative visits. Dr. Hammond also completed externships at the UIW Eye Institute, the San Antonio Lighthouse for the Blind, and the Fayetteville VA Hospital in North Carolina where she gained valuable experience in the diagnosis of eye disease as it pertains to overall systemic health. Following graduation, Dr. Hammond returned to join our private practice and has participated in patient care in our Newark, Lancaster and Mt. Vernon locations.

​​​​​​​Dr. Hammond now resides in Westerville with her husband, daughter and their puppy. When she is not in clinic, she prefers to spend quality time with her extended family and friends and she also enjoys traveling, volunteering within the community and attending concerts and sporting events (especially anything in Cleveland).

Wendy Hallier, O.D.

Wendy Hallier, O.D.

Dr. Wendy Hallier joined the Primary Vision Care team in 2019 and is the primary optometrist in our Mt. Vernon location where she provides comprehensive care with a special interest in contact lenses and pediatrics. She completed her undergraduate and optometric education at The Ohio State University where she received her Doctorate in Optometry in 1993. She has spent the last 25 years practicing in Ohio including 10 years in practice at the Cleveland Clinic. Dr. Hallier also has served as a professional affairs consultant for Johnson & Johnson Vision since 2014. Her duties include educating fellow optometrists on the latest technological innovations in contact lenses across the United States of America.

Additionally, Dr. Hallier serves as an Ohio Optometric Society RealEyes Educator and is an active member of the American Optometric Association, the Ohio Optometric Association, and the Lewis Center United Methodist Church. She has two sons and currently resides in the Olentangy area with her husband of over 25 years. When she is not in the clinic, Dr. Hallier enjoys boating, snow skiing and all things Cleveland (Go Tribe).

Dr. Hager

Dr. Michele Hager

Dr. Michele Hager practices primarily in our Lancaster location. She moved from New England to Ohio in 2003 after graduating with a Bachelor of Arts degree in Zoology from Connecticut College. She came here to attend The Ohio State University College of Optometry; she also met her then-future husband, an Ohio native, in Columbus.

​​​​​​​Dr. Hager completed externship programs at the Dayton VA Medical Center in Dayton, Ohio and the Kayenta Health Center Indian Health Service site in Kayenta, Arizona during her optometric training. After earning her Doctor of Optometry degree in 2007 as a member of the Beta Sigma Kappa International Optometric Honor Society, Dr. Hager was accepted into the two-year Cornea and Contact Lens Fellowship at the OSU College of Optometry. During this time she also completed independent optometric research and earned a Master of Science degree in Vision Science.

After graduating again in 2009, Dr. Hager stayed on at the OSU College of Optometry as a Clinical Professor to teach clinical skills to optometry students while also working in a surgical ophthalmology practice. After her first maternity leave, Dr. Hager began working in private practice eye care. Over her career, she has co-managed her patients' refractive and cataract surgeries, treated and managed their ocular disease (including diabetes, glaucoma, and amblyopia), and fit many of them in specialty contact lenses. Dr. Hager lives with her husband, two children, two cats, and eight chickens northwest of Lancaster.

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