Brett H. Mueller II,
D.O., Ph.D

Brett H. Mueller II, D.O., Ph.D., is a board-certified, fellowship-trained refractive and cataract surgeon, as well as our glaucoma specialist here at Parkhurst NuVision. He is also an adjunct Assistant Professor at the University of North Texas Health Science Center’s Department of Pharmacology and Neuroscience. He is skilled in minimally invasive glaucoma surgery (MIGS), cataract surgery, and refractive procedures.

Dr. Mueller has authored numerous publications and book chapters, perform over 20 presentations at national and international meetings, and is a recipient of several grants (including an NIH grant). He’s a consultant for Nanoscope Technologies, as well as Vice President of Clinic Research for the Clinical Advisory Board at Vital Streams, LLC.

Education & Experience

After receiving his undergraduate degree from Texas A&M University, Dr. Mueller earned his medical degree and PhD from the University of North Texas Health Science Center. After performing cataract surgery and MIGS at a private practice in Dallas, Texas, Dr. Mueller completed fellowship training in cataract and refractive surgery.

He was accepted to an ophthalmology residency at the University of Louisville, where he developed a reputation for being a skilled surgeon and a leader amongst his colleagues. As a resident, he performed the highest number of phaco cataract surgeries in the history of the program — which included performing laser-assisted and dropless cataract surgery and using toric and multifocal lenses — and was one of the first surgeons in Kentucky to place several different MIGS devices for patients with glaucoma.


  • Glaucoma
  • Minimally Invasive Glaucoma Surgery (MIGS)
  • Refractive surgery
  • Cataract surgery

Honors & Distinctions

  • Author of multiple peer-reviewed studies
  • Sub-investigator for multiple clinical trials
  • Helped establish one of the first academic affiliations with Johnson & Johnson, enabling residents to be PRK and LASIK-certified upon completion of their residency programs
  • Member of the Association for Research in Vision and Ophthalmology
  • Member of the American Academy of Ophthalmology
  • Member of the Preliminary Internal Medicine Steering Committee


Dr. Mueller is a sixth-generation Texan and a fourth-generation San Antonian who is incredibly proud to be improving people’s vision in his hometown. In his spare time, he loves spending time with his wife and three kids, and enjoying an active lifestyle that includes running, cycling, and hiking.

Dr. Mueller also has a passion for providing eye care to those with less access. He has provided free vision screenings for refugees living in Kentucky and has gone on a surgical mission trip to Guerrero, Mexico to perform cataract surgeries!