Our Doctors

William J. Dungan, O.D.

Justin Dungan, O.D.

Dr. Dungan founded our practice in 2007. He received his Doctorate of Optometry degree and Bachelor of Science degree from Indiana University School of Optometry. Dr. Dungan also majored in Chemistry while attending Eastern Kentucky University. While attending IU, he served as president of the Fellowship of Christian Optometrists and published a research paper on Accommodative Testing. While at IU, he served as an Associate Instructor in Diagnostic Procedures of Optometry, teaching underclassmen the skills needed to perform a proficient ocular examination.

He is a member of the American Optometric Association and the South Carolina Optometric Association. He has been recognized by Marchon, Inc. as a leader in the optometric field for offering superior product selections and customer service. He has also been recognized by the Management and Business Academy for providing legendary patient care.

Fun facts about Dr. Dungan

  • Dr. Dungan’s Saturday morning routine consists of some quiet reading on his front porch, followed by a bike ride to a local coffee shop for breakfast and coffee, then walking around the Farmer’s Market in downtown Summerville.
  • His favorite song is “Sitting on the Dock of the Bay” by Otis Redding.
  • Dr. Dungan loves to renovate old historic houses as a hobby.
  • Dr. Dungan’s favorite patient memory is from early on in his career, he thought he saw a possible tumor in the back of a patient’s eye, although she had no symptoms. The patient was a young woman with young children. Dr. Dungan lost sleep for weeks worrying about her and what the outcome would be. He is glad to report that after great treatment at Duke University she is now in remission and doing wonderfully!

Brenda Flores, O.D.

Dr. Brenda FloresDr. Flores grew up in south Texas and received her Bachelor of Arts degree in Biology at the University of Texas at Austin. She completed her Doctorate of Optometry degree at the Southern College of Optometry in Memphis, Tennessee where she graduated Cum Laude and received Honors recognition in the area of Adult Primary Care during her last year of clinical rotations.

Following optometry school, Dr. Flores completed a year-long residency program with a concentration in the treatment and management of ocular disease at the William V. Chappell Jr. Outpatient Veteran clinic in Daytona Beach, Florida. During this time she studied under retinal, corneal, and glaucoma specialists. She was nominated for and received a Blue Ribbon Excellence in Customer Service Award. During her last year of optometry school, Dr. Flores participated in clinical rotations in the Charleston area, where she fell in love with coastal living and all that the low country has to offer.

Fun facts about Dr. Flores

  • Dr. Flores likes to spend her Saturday taking an early morning stroll on the beach.
  • Her favorite song is “The best is yet to come” by Frank Sinatra
  • Dr. Flores hobby is cooking but she wants to learn to garden
  • Dr. Flores’ favorite patient memory is helping a young girl who had a very high prescription. This patient shared with Dr. Flores how she was getting bullied by others due to her glasses being so thick. “Watching the sheer joy and self-esteem boost that she got when she put in her contact lenses was so great to watch. It was nice to be reminded how something so seemingly simple can make such a positive impact on someone’s life.”

Leigh Purvis, O.D.

Dr. Leigh Purvis grew up north of Atlanta in Canton, Georgia, and attended college at Georgia State University, completing her Bachelor of Science in Biology, and obtained her Doctorate of Optometry at Arizona College of Optometry in 2012. Upon graduation, she won several faculty elected awards honoring her for her clinical excellence in Pediatrics and Vision Therapy.

She completed her postgraduate Residency at Nova Southeastern University- College of Optometry in Fort Lauderdale, Florida, where she received advanced clinical training in Pediatrics and Binocular Vision. During that time, she was awarded Resident of the Year. She completed her Fellowship of the American Academy of Optometry and is currently working on her Fellowship of the College of Optometrists in Vision Development.

Dr. Purvis has been a member of Lions Club since 2008 where she has served on numerous charity fundraisers and mission trips. She enjoys spending time outdoors, live music, and her puppy, Dobby. She is continuously passionate about continuing her knowledge and education in vision development and neuro-optometric rehabilitation.

Fun facts about Dr. Purvis

  • Dr. Purvis likes to spend her Saturday taking a morning run, spending time at the beach, or listening to local live music.
  • Her favorite songs are “Mr. Blue Sky” by ELO and “Gypsy” by Fleetwood Mac
  • Dr. Purvis’ favorite hobby is learning how to cook beyond a basic level
  • Dr. Purvis has many wonderful memories working in vision therapy, but two favorites are a five-year-old who was unable to appreciate 3D vision due to an eye turn. After a few months of vision therapy, his eyes were straighter and he was able to appreciate depth. He’s now enjoying baseball and a medical student who suffered a concussion on a mission trip was unable to complete her final year due to her eyes becoming a huge visual barrier- she is now happily practicing medicine!

Kristian Mostert, O.D.

Dr. Mostert was raised in a military family and has lived all over the world from England to Germany and even Japan. However, he claims Columbia, South Carolina as home. Since his family moved there in his late teens he fell in love with the state and the people and always vowed he would come back.

He graduated from Brigham Young University with Honors and received a Bachelor of Science in Microbiology. He then continued to get closer to home and attended Southern College of Optometry in Memphis, Tennessee. He graduated Cum Laude and received the William Feinbloom Low Vision Award for his efforts in vision rehabilitation during his school rotations.

He is currently licensed to practice Optometry in South Carolina and is a member of the American Optometric Association, South Carolina Optometric Association, and the Coastal Carolina Optometric Association.

Fun facts about Dr. Mostert

  • If he has a 3-day weekend Dr. Mostert enjoys going down to Florida to visit family.
  • His favorite hobby is riding his motorcycle
  • His favorite patient memory was when neither he nor his patient realized that she put a new contact over her old one. “We both promised never to tell anyone… Until now. Whoops.”