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Omaha Eye & Laser Institute 800-766-8705 402-493-2020
Lincoln Eye & Laser Institute 800-726-2647 402-483-4448
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Our Doctors

Ophthalmological Staff

Sao J."John" Liu, M.D. - Medical Director

Sao J.Dr. John Liu is one of Nebraska’s most experienced eye surgeons, having performed thousands of laser and microsurgical surgery. Dr. John Specializes in cataract surgery, iLASIK correction, and glaucoma surgery. Dr. John Liu is a Phi Beta Kappa graduate of Purdue University and served as a major in the United States Army while completing his internship and ophthalmology residency.

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Sao C."James" Liu, M.D.

Sao C. Dr. James Liu specializes in cataract, glaucoma, laser, and refractive surgery including excimer laser refractive surgery.

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William Thomas, M.D.

William Thomas, M.D. Dr. Thomas is a fellowship-trained vitreoretinal surgeon. He specializes in the medical, laser, and surgical treatment of retinal conditions including diabetic retinopathy, macular degeneration, and retinal detachment. He is also Board-Certified by the American Academy of Ophthalmology.

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John Halgren M.D.

John Halgren, M.D. Dr. John Halgren is one of Nebraska’s most experienced ophthalmologists, having served the midwest for over 15 years. Dr. Halgren specializes in corneal diseases, corneal transplantation, cataract surgery, and refractive surgery.

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Mark R. Young, M.D.

Mark R. Young, M.D. Dr. Young is a general ophthalmologist with extensive experience in anterior segment surgery.

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Optometric Staff

Christopher T. Bergman, O.D. - Center Director

Christopher T. Bergman, O.D. Dr. Chris Bergman's practice is limited to the diagnosis, management, and treatment of ocular disease and low vision.

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JoAnna Liu, O.D.

JoAnna Liu, O.D.

Dr. JoAnna Liu joined the Omaha Eye & Laser Institute in 2012 after graduating from the New England College of Optometry in Boston, MA. Dr. JoAnna specializes as Omaha Eye's LASIK surgical consultant, with experience in both refractive and cataract surgery co-management.

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Staci Hanus, O.D.

Staci Hanus, O.D. Dr. Staci Hanus joined the Lincoln Eye and Laser staff in August 2007 after practicing primary care optometry in Lincoln for several years. She specializes in post-operative LASIK and cataract surgery care as well as ocular disease.

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Natalie Klusaw, O.D.

Natalie Williams, O.D.

Dr. Klusaw received her bachelor's degree in biological sciences at the University of Nebraska - Lincoln. Dr. Klusaw went on to receive her Doctorate at Southern College of Optometry in Memphis, Tennessee.

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quick contact

eye & laser institute

11606 Nicholas St.
Omaha NE 68154
Toll Free 800.766.8705
Local 402.493.2020
Fax 402.493.8987

eye & laser institute

Lincoln Eye & Laser Institute
755 Fallbrook Blvd. Suite 205
Lincoln, NE 68521
Toll Free 800.726.2647
Local 402.483.4448
Fax 402.483.4750

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At Omaha Eye & Laser Institute, we pride ourselves on achieving your best vision and offering a warm, inviting, and friendly environment where the patient is our most important priority.