Fredericksburg, TX eye doctor



Charles Cohn, MD

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Dr. Cohn was raised in the Texas Hill Country and graduated valedictorian from Medina High School in 2002. After graduating cum laude from the University of Rochester with a B.A. in Biology in 2005, he then completed medical school at The University of Texas Medical Branch in Galveston and decided on a career in ophthalmology. He completed an internship in Internal Medicine at The University of Texas Health Science Center at San Antonio. Finally, he completed his residency in ophthalmology at Texas Tech University Health Science Center where he was named Chief Resident and won awards for best Grand Rounds Presenter and highest board examination scores. He also received the 2017 Physician Champion Award from Hill Country Memorial Hospital.  

Dr. Cohn is a board certified comprehensive ophthalmologist who does everything from routine eye examinations and basic contact lens fitting to a variety of ophthalmic surgeries and laser procedures.

Dr. Cohn sees patients Monday through Friday in Fredericksburg and on Tuesday afternoons in Boerne.

Dr. Cohn is on the board of directors of Harvester Seeds Foundation, an organization dedicated to serving the underprivileged across the globe. Projects include serving in orphanages, building churches and schools, and performing eye surgeries internationally. Dr. Cohn performed cataract surgeries in Colombia and southern Mexico in 2018 with Medical Ministry International.

Dr. Cohn has a YouTube channel of some of the eye surgeries he has performed.

Dr. Cohn lives in Comfort with his wife and three daughters. He enjoys watching and playing sports, fishing, hunting, time with family, and is active at his church.

Anne Pluenneke, MD

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Dr. Anne Pluenneke grew up in Arlington, Texas and then attended the University of Texas at Austin, where she was elected to Phi Beta Kappa and graduated summa cum laude with a degree in history in 1994. She then attended the University of Texas Southwestern Medical School in Dallas, graduating in 1998 in the top 5% of her class. She was vice-president of Alpha Omega Alpha medical honor society. She then completed two residencies. She was at Baylor University Medical Center from 1998-2001 completing an internship and residency in Internal Medicine. From 2001-2004, Dr. Pluenneke completed a residency in ophthalmology at UT Southwestern in Dallas. 

After completing her ophthalmology residency in 2004, Dr. Pluenneke joined Fredericksburg Eye Associates. She has enjoyed living in the Hill Country since that time. She married Clint, her high school sweetheart, in 1995 and they have three children. She is an active member at Holy Ghost Lutheran church and enjoys volunteering at the church as well as in the public schools.  She has served as a board member of the Good Samaritan CenterHill Country Memorial Hospital and the Fredericksburg ISD Education Foundation. In her free time, she enjoys reading, needlework, and running.

Dr. Pluenneke has an interest in medical missions performing manual small incision cataract surgeries (MSICS) as recently documented in a special done by 60 minutes.  She has been to Mexico, Peru and Bolivia with Medical Ministry International to provide eye care and surgery to underserved populations.

Dr. Pluenneke is a board-certified comprehensive ophthalmologist who does everything from routine eye examinations to a variety of ophthalmic surgeries and laser procedures.

Amy Cadis, MD

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Fredericksburg Eye Associates is pleased to announce the addition of Dr. Amy Cadis. A board certified comprehensive ophthalmologist, Dr. Cadis will provide care ranging from routine eye care to medical and surgical management of eye diseases. “We are thrilled to add Amy to our team,” said Dr. Anne Pluenneke of Fredericksburg Eye Associates. “She has a solid background in caring for patients with a range of medical eye problems, shares our values and will be a great Dr. Cadis is a native of Houston and graduated from Texas A&M College of Medicine where she was awarded Outstanding Student in Surgery. She completed her Internal Medicine internship at Baylor Scott & White Hospital.


In 2019, Dr. Cadis completed her residency in ophthalmology at Baylor Scott & White Eye Institute. Before joining Fredericksburg Eye Associates, she practiced ophthalmology at Southwest Texas Eyecare Associates and South Texas Eye Institute in San Antonio. 

Dr. Cadis and her husband, an ER doctor at Hill Country Memorial Hospital, have three young children, and their family enjoys the outdoors, riding bikes, hiking, and trying out Fredericksburg’s many restaurants.


Dr. Cadis will begin seeing patients starting January 1, 2022, and is accepting new patients now. To make an appointment with Dr. Cadis, call 830.997.6535.