About the Doctors

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Dr. Gray Friedrichs, OD

Dr. Gray Friedrichs began practicing in Martinsville in 1999 after graduating from the Southern College of Optometry. He holds an undergraduate degree from Bridgewater College. From utilizing the most up-to-date technology, to implementing the most progressive standards of optometric clinical care, Dr. Friedrichs has always been dedicated to providing the highest level of eye care to the patients in his practice. Dr. Friedrichs practices full scope optometry but has particular clinical interest in glaucoma, dry eye, diabetic eye evaluation, macular degeneration and co-management of cataract and refractive laser surgeries. He lives in Bassett with his wife, Dr. Jill Christian-Friedrichs, and their children. Dr. Friedrichs primarily practices at the Martinsville location but is available to regularly see patients at the Chatham location as well.


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Dr. Jill Christian-Friedrichs, OD

Dr. Jill Christian-Friedrichs joined Friedrichs Family Eye Center in 2004. She is a graduate of Delaware Valley College and received her Doctor of Optometry degree from the Pennsylvania College of Optometry in 2003. Dr. Christian-Friedrichs provides full medical optometric care, but especially enjoys pediatric eye care and fitting contact lenses. She lives in Bassett with her husband, Dr. Gray Friedrichs, and their children. Dr. Christian-Friedrichs primarily practices at the Martinsville location.






Mary Kathryn Zak

Dr. Mary Kathryn Zak, OD

Dr. Mary Kathryn Zak attended Indiana University for both her undergraduate degree and doctor of optometry degree. Her capabilities include medical optometry and routine vision. Her primary location is the Danville location but also sees patients at the Martinsville location.


Dr. Donnie

Dr. Jayla Chamberlain

Dr. Jayla Chamberlain began practicing at Friedrichs Family Eye Center in the summer of 2020. She graduated from Indiana University School of Optometry as a member of the Beta Sigma Kappa Honor Society. Dr. Chamberlain practices full medical optometric care, but especially enjoys diabetic ocular evaluations, glaucoma management, and dry eye evaluations. She is originally from northwest Ohio and enjoys the small town atmosphere of Martinsville. Dr. Chamberlain primarily provides care at the Martinsville location, but also sees patients in Chatham.

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