Sao "John" Liu, MD
Sao "James" Liu, MD
Mark Young, MD

Omaha Eye & Laser Institute
11606 Nicholas Street
Omaha, Nebraska 68154
(800) 964-0288

Dr. Mark Young
Dr. Mark

Dr. Sao James Liu
Dr. Sao "James"

Dr. Sao John Liu
Dr. Sao "John"

Serving patients seeking cataract surgery with intraocular lens implants (IOLs), including AcrySof Toric IOLs in Omaha and the surrounding area

Drs. John Liu, James Liu and Mark Young are Nebraska's most experienced all-laser cataract team. Each cataract surgeon at Omaha Eye & Laser Institute is board certified by the American Board of Medical Specialties, with decades of experience performing cataract procedures.

In 2011, OELI surgeons were the first to provide blade-free laser cataract surgery in the state of Nebraska. Laser cataract surgery provides for more precise surgical results that translate to better vision without glasses after cataract surgery.

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Today it's possible for most patients who have laser cataract surgery with a premium multifocal lens implant at OELI to drive and read without glasses after surgery.

What is a cataract?

A cataract is a clouding of the eye's natural lens, which usually happens gradually with age and can make your vision less sharp over time. Your natural lens, located behind the iris or colored portion of your eye, works like the lens of a camera. Your natural lens focuses light images onto the retina in the back of your eye, which then sends those images to your brain. Although cataracts can happen at any age, they are the most common cause of vision loss in adults over 55.

More than 2 million cataract procedures will be performed nationwide this year alone. Here at Omaha Eye & Laser Institute we offer the most advanced laser surgical techniques in our exclusive on-site outpatient surgery center, an AAAHC accredited surgery center that is dedicated solely to surgical eye care.

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What are the symptoms of a cataract?

Cataract symptoms can be difficult to recognize because they progress gradually. Cataracts can often be the reason behind increasingly blurred vision, dulled colors or decreased night vision due to glare, starbursts or halos. Reading can become more difficult due to the blurriness and loss of contrast sensitivity, and daily activities may be impacted for these reasons. Cataract surgery can now restore and even improve your vision in 10 minutes.


Watch this video to learn more LenSx.

The only way to effectively treat cataracts is through their surgical removal. Laser cataract surgery is the most technologically advanced option for cataract patients. The LenSx® laser is an advanced femtosecond laser that operates with unmatched precision. Integrated advanced imaging systems in the LenSx system generate high-resolution, multi-dimensional displays that allow doctors to view intricate, detailed images of important components of the eye. This allows surgeons to create accurate, customized surgical plans. The computer-guided laser then makes the ultra-precise incisions in the cornea and lens, rapidly reducing the cloudy lens into smaller segments in as little as 20 seconds. These smaller segments are then easily aspirated from the eye.

For patients, this results in more accurate and predictable centration of the lens implant after surgery, and better vision. The precision of the LenSx laser minimalizes the dependence on glasses for distance correction post-surgically. With the LenSx laser, patients enjoy the benefits of a bladeless, customized procedure, and a better visual outcome. Ask your surgeon during your consultation if cataract surgery with the LenSx laser is right for you. For more information, visit

The Omaha Eye & Laser Institute offers an unparalleled range of premium lens implant options to fit your unique lifestyle.

Intraocular Lenses

Intraocular lenses are artificial lenses that help restore visual function after removal of the cataract lens. Medicare and most insurances will cover the cost of a standard intraocular lens associated with cataract surgery. Toric, multifocal and accommodative IOLs are optional, and at an additional cost, as they are not covered by Medicare or medical insurances.

Standard lenses have one power and can help provide good distance vision in eyes with little or no astigmatism. Patients who select this lens will need to wear bifocals afterwards to fully correct their distance and near vision after surgery.

Toric lenses can correct varying degrees of astigmatism at the time of cataract surgery. Distance as well as near vision after surgery is sharpest when most of the astigmatism is neutralized during the procedure. Most patients who have toric lens implants can expect to see well enough to drive and watch TV without glasses, but will still need reading glasses for near activities such as reading, sewing and computer-related activities.

Accommodative Lenses

Crystalens accommodative lenses work by using the ciliary muscle in the patient's eye to move the lens back and forth to its best position of focus. They are most suitable for intermediate tasks such as working at the computer, and reading menus and dashboards. Most patients using the Crystalens will need a pair of weak readers when doing sustained reading, or very close tasks. However, this lens is not associated with the degree of night halos experienced by multifocal lens users.

Multifocal lenses can provide distance and near vision. The near vision is typically located at a fixed distance and is set at either 12-16 inches from the eye or at 14-20 inches from the eye (depending on the type of multifocal lens). Multifocal implant patients will experience some degree of visible rings around light sources (or halos) at night. The halos may gradually become less noticeable over six months due to a process known as neuro-adaptation. Multifocal patients experience some of the highest degrees of vision independence from glasses after surgery; between 80-90 percent of multifocal lens implant patients state that they rarely have to use glasses after surgery, and nearly 90 percent of multifocal lens patients report being very satisfied with their vision, and would recommend it to their friends.

More About the Eye Surgeons of Omaha Eye & Laser Institute

Sao John Liu, MD, is one of the most experienced eye surgeons in Nebraska, having performed thousands of laser and microsurgical procedures utilizing the latest techniques and technology available today. He specializes in cataract, refractive, glaucoma and corneal surgery.

Dr. Liu is a Phi Beta Kappa graduate of Purdue University and the University of Puerto Rico. He completed his internship and ophthalmology residency at Brooke Army Medical Center in San Antonio, Texas, in 1986. Dr. Liu served as a Major in the United States Army and Army Reserve until his honorable discharge in 1990. His positions included Health Clinic Director at Ft. Ritchie, Maryland, and Chief of Ophthalmology at Ft. Leavenworth, Kansas. In 1989 he completed his fellowship training in glaucoma at the University of Illinois Eye Center in Chicago. He assumed his present position of Medical Director of The Omaha Eye & Laser Institute in July 1989.

Dr. John Liu was board certified in ophthalmology in 1987. He has been a member of the American Academy of Ophthalmology since 1983 and a Fellow in the Academy since 1989. He participates regularly in continuing education programs around the country and was one of the first surgeons to introduce clear cornea cataract surgery and a variety of refractive surgical procedures to the Omaha area. Dr. Liu is also one of the few fellowship-trained glaucoma specialists in private practice in Nebraska.

Dr. Liu was raised in the Commonwealth of Puerto Rico. Because of his diverse cultural and academic background, he is fluent in English, Spanish, and Chinese.

Sao James Liu, MD, joined his brother in practice in 1996. Since then, Dr. James Liu has also become one of the most experienced and talented eye and cosmetic surgeons in Lincoln, having performed thousands of laser and microsurgical procedures utilizing the latest techniques and technology. He specializes in refractive surgery, cataract surgery, cosmetic surgery of the eyelids, and laser skin rejuvenation.

Dr. Liu is an honors graduate of Harvard University and the University of Puerto Rico and was a member of the Alpha Omega Alpha Medical Honor Society as a student. Subsequent to his internship at Hurley Medical Center (Michigan State University), Dr. Liu completed his residency in ophthalmology at the University of Illinois at Chicago, College of Medicine, in 1996. Dr. James Liu was board certified in ophthalmology in 1998. He has been a member of the Academy of Ophthalmology since 1996 and a Fellow of the Academy since 1998. He continues to actively participate in numerous continuing education programs in ophthalmology and cosmetic surgery throughout the United States.

Dr. Liu was raised in the Commonwealth of Puerto Rico. Because of his diverse cultural and academic background, Dr. Liu is fluent in English, Spanish, and Chinese.

Mark Young, MD, was board certified in ophthalmology in 1996. He earned his medical degree at the University of Nebraska College of Medicine and completed residency training in ophthalmology at the University of Colorado Health Sciences Center in Denver. Dr. Young has extensive experience with bladeless, no-stitch cataract surgery, as well as LASIK surgery, glaucoma filtering surgery, pterygium surgery and eyelid plastic surgery. He has been a member of the American Academy of Ophthalmology since 1995.

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