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Cataracts & Custom IOLs


Main Office: 2500 Alton Parkway Ste 102, Irvine, CA 92606
North County Office: 1955 Sunny Crest Dr. Ste 120, Fullerton, CA 92835
Specializing in Cataract, LASIK, and Corneal Refractive Conditions & Treatment

Lawrence C. Chao, M.D.
Board-Certified Ophthalmologist
Fellowship-Trained Cataract & Refractive Eye Surgeon

If you're considering cataract removal surgery, schedule a cataract consult with Chao Vision Institute and learn about your intraocular lens options.

Why you should consider a subspecialty eye surgeon for cataract removal and intraocular lens implant surgery.

  • Dr. Chao has successfully performed over twenty thousand cataract, Lasik and corneal refractive procedures since 1997.
  • With advanced fellowship training and university-level expertise, Dr. Chao can manage complex as well as routine vision conditions.
  • Dr. Chao offers the latest innovation and technology in cataract removal surgery and intraocular lens implantation.

About Intraocular Lenses (IOLs)

The first intraocular lenses or IOLs were developed in the late 1940's and have become an essential part of today's advance cataract removal surgery.  Intended to last a lifetime, most IOLs are made of flexible materials which allow for them to be folded and injected into the eye through a very small incision.  

Monofocal IOLs offer a single vision correction. Multifocal and accommodative IOLs offer a fuller range vision such as distance and reading or intermediate or computer vision. Toric IOLs describe lenses that add astigmatism correction.

Presbyopia-Correcting Accommodative IOLs 

Crystalens™ Lenses (B&L)  are FDA-approved accommodative intraocular lenses, offering distance vision correction as well as intermediate vision correcting.  The surface of the Crystalens has been shaped to enhance the depth of focus with a proprietary optical modification.  The enhanced optic provides an increased depth of focus which is designed to improve near vision without compromising intermediate or distance vision.  The Crystalens lens does this without inducing increased undesirable dysphotopsia or night vision symptoms.   

Presbyopia with Astigmatism-Correcting Accommodative IOLs

TRULIGN™ Toric (B&L) Lenses are FDA-approved Crystalens accommodative intraocular lenses with astigmatism-correcting technology.  They offer astigmatic correction while delivering a broader range of vision for activities like using a computer, driving, hobbies and crafts, and socializing.

Presbyopia Correcting Multifocal IOLs 

ReStoR™ IOL (Alcon Surgical)  has a unique design in providing near vision by utilizing different zones on the lens itself.

Tecnis Multifocal IOL (Abbott) has been designed to provide excellent vision at all distances, under any lighting condition especially low-light vision.  Side effects associated with multifocal IOLs include slightly more glare and halos at night; although these do diminish over time.

Tecnis Symfony IOL (Abbott) is an extended depth of focus IOL that combines two unique technologies for outstanding visual performance: elongating the focus to the eye to provide a continuous range of high quality vision and correcting chromatic aberration (color distortion) to provide sharp vision in all lighting conditions.  

Astigmatism-Correcting Toric IOLs

Astigmatism-correcting Toric IOLs are recommended to correct the blurring of vision at all distances due to astigmatism, a condition caused by the cornea being football-shaped.  Current toric IOL options include the The Acrysof Toric™ IOL (Alcon Surgical) and The Tecnis Toric™ IOL (Abbott), both designed to reduce or eliminate corneal astigmatism and significantly improve uncorrected distance vision after cataract removal surgery.

The Technis Symfony IOL (Abbott) is an extended Range of Vision IOL indicated for primary implantation for those patients with greater than or equal to 1 diopter of preoperative astigmatism in whom a cataract lens has been removed. 

 "Once you make a decision, the universe conspires to make it happen."
- Ralph Waldo Emerson

When it comes to cataracts, see why thousands of patients choose a fellowship trained eye surgeon.

Lawrence C. Chao, MD

Personalized Care
University Level Expertise

Chao Vision Institute specializes in cataract, LASIK, and corneal refractive vision conditions and treatments.

See Dr. Lawrence Chao for a consult or second opinion if you are considering eye surgery, including Crystalens ™, Visian ICL™, and LASIK surgery in Irvine, Orange County, or the Los Angeles , Riverside, and San Diego areas.

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