James R. Knowles, M.P.H., M.D. is an Ohio Cataract & LASIK Surgeon at Stahl Vision Laser & Eye Surgery Center in Dayton Ohio. Dr. Knowles received his Medical Degree at Mayo Medical School in Rochester Minnesota and completed a Residency in Ophthalmology at Wilford Hall Medical Center at the Lackland Air Force Base in Texas as well as a Residency in Aerospace Medicine at the United States Air Force School of Aerospace Medicine.  
Prior to joining Stahl Vision, Dr. Knowles served as the Chief of Ophthalmology and Refractive Surgery at the Wright-Patterson Air Force Base in Dayton Ohio where he provided Laser Eye Surgery for the correction of nearsightedness, farsightedness and astigmatism as part of the Warfighter Laser Surgery Center sponsored by the Department of Defense. He is regarded as the most accomplished LASIK Surgeon at Wright-Patterson and has brought his expertise in Laser Eye Surgery to Stahl Vision where he performs LASIK, PRK and Custom Wavefront Laser Eye Surgery including CustomVision™ Custom LASIK.  In addition, Dr. Knowles is a highly experienced Cataract Surgeon who brings advanced techniques of Cataract Surgery, Refractive Lens Exchange and Intraocular Lens Implantation (IOL) to Ohio residents.








Brian Stahl, O.D., M.D. is the Founder of Stahl Vision in Dayton Ohio where he is a well recognized LASIK surgeon, and cataract eye surgeon. Dr. Stahl received his Medical Degree at the Ohio State University College of Medicine and completed his Residency in Ophthalmology at the Ohio State University Medical Center. He continues to hold the academic title of Associate Professor of Ophthalmology at the Ohio State University Department of Ophthalmology and teaches newer doctors techniques of eye surgery, including techniques of LASIK Eye Surgery, Intraocular Lens Implantation (IOL) and Cataract Surgery in Ohio.
Dr. Stahl has done more than twenty mission trips to six countries worldwide! Some of the pictures shown to the left are from surgical trips to other countries. To learn about how Stahl Vision has changed lives all over the world click below!





Shortly after graduating from The Ohio State University College of Optometry in 1989, Dr. Fenton joined a private practice in Dayton, Ohio, Vision Makers, where he is part owner of a group practice. He practices primary care optometry including contact lenses and disease evaluation and treatment. He also practices part-time at the ophthalmology office of Drs. Brian Stahl and James Knowles, where he co-manages cataract, refractive laser, and ocular disease patients.

Dr. Fenton has participated in Prevent Blindness Ohio for the past 20 years where he donates over 200 eye examinations a year. He has served on the board of Prevent Blindness Ohio for several years and is currently the chairman of the Dayton chapter.




Dr. Coppess earned her doctor of optometry degree from Indiana University School of Optometry in May of 2011.  Originally from Elwood, IN, she earned her Bachelor of Science degree from Indiana University in May 2007.  Dr. Coppess completed her residency in primary care/ocular with emphasis in ocular disease at the Veteran Affairs Medical Center in Dayton, OH. She and her husband, Ben, currently reside in Alexanderia, IN.

Among LASIK surgeons across the United States, Dr. Stahl is one of the most highly regarded surgeons for his work and contributions in developing the computer analysis and Excimer laser treatment nomograms that are used and applied by surgeons to achieve the best possible results for their patients.
Dr. Stahl is certified by the American Board of Ophthalmology and is a member of numerous academic groups including the International Society of Refractive Surgery, American Medical Association, American Academy of Ophthalmology, American Society of Cataract and Refractive Surgeons, Ohio State Medical Association, Ohio Ophthalmological Society and the Dayton Area Society of Ophthalmologists.
The Stahl Vision Center Team
Dr. Brian Stahl founded Laser Vision Correction of Dayton and Stahl Vision LASIK Center. He was the first doctor in the region to perform Laser Eye Surgery for the correction of nearsightedness (myopia), farsightedness (hyperopia) and astigmatism and is one of the top 50 LASIK surgeons nationwide. 
Dr. Knowles has been on eight mission trips to six different countries all over the world! Some of the pictures above show surgical mission trips in other countries!
Dr. Knowles is certified by the American Board of Ophthalmology and the American Board of Preventive Medicine-Aerospace Medicine and is a member of the American Medical Association, the American Academy of Ophthalmology and American Society of Cataract and Refractive Surgery.Dr. Knowles is a welcome addition to the Stahl Vision team as they continue to provide advanced LASIK Eye Surgery, Cataract Surgery and Refractive Lens Exchange Surgery to patients throughout Ohio.

"Few people get weak eyes from looking on the bright side”

“The eye sees a thing more clearly in dreams than the imagination awake.”

"The eyes are the mirror of the soul"

"No eyes that have seen beauty ever lose their sight."

With over 20 years of experience serving over 20,000 patients, Dr. Stahl has had the opportunity to fine tune the Stahl Vision method and formula in order to produce the best results for each individual patient! These meticulous calculations are a large reason why over 99% of our LASIK patients achieve 20/20 or better vision after LASIK with a lower than average enhancement rate. Stahl Vision patients have also consistently reported improved night vision and increased sharpness overall. Our CustomVision technology allows us to offer a unique, one-of-a-kind experience that will have you enjoying an improved lifestyle for years to come. Dr. Stahl has been serving the eye care needs of Ohio residents for over 20 years. Among Ohio eye care patients he is perhaps the area's best-known eye surgeon for providing LASIK and CustomVision LASIK to patients from Dayton and throughout the Miami Valley. He has been selected as the leading LASIK surgeon in Dayton, and the overwhelming choice of fellow doctors by a Wright State University study. Dr. Stahl pioneered Laser Eye Surgery including LASIK, PRK and CustomVision Laser Eye Surgery in Dayton and was the first to do Laser Eye Surgery for a Dayton patient, first to do LASIK Eye Surgery for farsightedness, and first to offer Wavefront Guided Custom LASIK treatments which are often called Custom LASIK, CustomCornea® & CustomVision™.

Dr. Kelly Basinger graduted from Ohio State University with her Bachelor of Science in Physiological optics in 1993, and became a doctor of Optometry in 1996. She is married to another optmetrist Dr. Keith Basinger; three children: Connor, now attending Ohio State studying astronomy and physics, Sarah and Savannah both planning on attending Ohio State in the future. Go Bucks!!!!!


4235 Indian Ripple Rd. Ste. 100

Dayton, Ohio 45440

LASIK: (937)643-2020

General: (937)427-2020

General office line:
(937) 427-2020
LASIK line:
(937) 643-2020
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