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CHAO VISION INSTITUTE
2500 Alton Parkway Ste 102, Irvine, CA 92606
1955 Sunny Crest Dr. Ste 120, Fullerton, CA 92835
Specializing in Cataract, LASIK, and Corneal Refractive Conditions & Treatment

We specialize in cataract, LASIK and corneal refractive eye care needs. 

Lawrence C. Chao M.D.
Board-certified ophthalmologist
Fellowship Trained Eye Surgeon

At Chao Vision Institute, Dr. Chao offers consults and second opinions to patients seeking cataract and corneal refractive subspecialty vision care.

For general medical eye conditions including Dry Eye Syndrome, Dr. Kim is presently accepting new patients at both the Irvine and Fullerton locations.

Cornea Subspecialty

The cornea is the clear curved window of the eye which is responsible for providing two thirds of the light bending ability of the entire eye.  It is crucial that the cornea remains healthy and clear for good vision.

Several diseases and conditions can compromise the structure and function of the cornea.  Cornea conditions such as corneal dystrophy or corneal opacities can be diagnosed or measured by slit-lamp examination, visual acuity, manifest refraction, and DNA sequencing analysis.

Medical strategies to obtain good vision are always tried first, but if these are not successful in providing good vision, corneal surgery is often needed.

Endothelial Keratoplasty (DSAEK or DSEK Corneal Transplant)

The cornea is composed of five layers, all together measuring about half a millimeter in thickness centrally.  The epithelial layer of the cornea regenerates quickly while the innermost endothelial layer cannot regenerate.  Descemet Stripping Automated Endothelial Keratoplasty (DSAEK) is a relatively new procedure in which the inner cell layer of the cornea is selectively removed and transplanted.

Donated human corneal tissue is utilized. This lamellar or layered corneal transplant offers a less invasive surgical solution for those diseases that selectively affect the innermost portion of the cornea.  Healing and visual recovery is generally quicker for this partial layered procedure compared to PKP cornea transplantation. 

Penetrating Keratoplasty (Cornea Transplant)

Penetrating Keratoplasty (PKP) or cornea transplant, is a surgical procedure to replace a damaged or diseased cornea with donated human corneal tissue. Corneal tissue is received from a deceased human donor and tested to be free of disease or injury. Sutures secure the donor cornea in place for approximately one year.

There are significant risks and benefits to this operation which should be discussed with your surgeon prior to considering this surgery.

Dry Eye Treatment

With dry eye syndrome, the eye doesn't produce enough tears, or the tears have an abnormal composition.  It may be caused by abnormal eye anatomy, medical conditions including Sjogren's Syndrome; environmental factors; occupational factors; and medication side effect.

When there is a chronic lack of sufficient lubrication and moisture, the eyes become red and irritated, causing a feeling of burning and scratchiness. Often, dry eye syndrome may make it difficult to wear contact lenses. For those considering LASIK, dry eye testing and treatment is often recommended for optimal results.

Today's over-the-counter as well as prescription eye drops, plugs, and treatment offer relief for treatment of dry eye syndrome.  

 

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.

tel 949-679-2426 | info@chaovision.com

 

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