Our Doctors

John G. Oster, M.D., F.A.C.S. - Medical Director, TLC Denver

Dr. Oster received his M.D. degree from the Albany Medical College, completed his cornea fellowship at the New England Eye Center, Boston, and was appointed to Instructor in Ophthalmology at the Tufts University School of Medicine and Assistant in Ophthalmology at the Massachusetts Eye and Ear Infirmary of Harvard University. He also served as the Director of the Cornea Service at the Jamaica Plains VA Hospital and is board certified by the American Board of Ophthalmology.

Dr. Oster is a member of the American Academy of Ophthalmology, American Society of Cataract and Refractive Surgery, International Society of Refractive Surgery, Colorado Ophthalmologic Society and is a fellow in the American College of Surgeons. Dr. Oster began using the excimer laser to treat corneal disorders in 1995, has taught several courses on laser vision correction, and has lectured at national and international meetings. Dr. Oster also practices as a cornea specialist accepting referrals for corneal transplantation and cataract surgery.

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James Patterson, M.D., F.A.C.S.

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Since finishing his residency in Ophthalmology at the University of Colorado, Dr. Patterson has been in practice with Colorado Ophthalmology Associates, specializing in refractive surgery, cataract surgery and glaucoma surgery. He is board certified by the American Board of Ophthalmology and is an Assistant Clinical Professor of Ophthalmology at the University of Colorado.

Dr. Patterson is a member and past president of the Colorado Society of Eye Physicians and Surgeons, and is a fellow in the American Academy of Ophthalmology, and American College of Surgeons. Dr. Patterson has been performing refractive procedures since 1987. He started performing PRK and LASIK surgery in 1996 when it was first approved in the United States. He was one of the founding physicians of the Clear Vision Laser Centers in the Denver metro area.

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Robert Keyser, M.D.

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Robert Keyser, MD completed medical school at the University of Michigan followed by a rotating internship at the University of Washington, Harborview Hospital. After two and one half years of service in the Navy as a Flight Surgeon, Dr. Keyser moved to Colorado where he did a residency in Ophthalmology at the University of Colorado.

Dr. Keyser specializes in refractive surgery, cataract surgery, glaucoma surgery and retinal laser surgery. He is board certified by the American Board of Ophthalmology, and is a Clinical Professor of Ophthalmology at the University of Colorado Health Sciences Center. Dr. Keyser has been performing refractive surgery since 1974 and started performing PRK and LASIK surgery in 1996 when it was first approved in the United States. He was also one of the founding physicians of the Clear Vision Laser Centers in the Denver metro area.

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Wm. Bruce Laurie, Jr., O.D. - Clinical Director, TLC Denver

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Dr. Bruce Laurie graduated from the University of New Mexico in 1995. He obtained his professional training from The Illinois College of Optometry, culminating in a Bachelors of Science degree in Visual Science in 1998 and his Doctor of Optometry degree in 1999.