Fuchs' Dystrophy Dallas Fort Worth

Fuchs' corneal dystrophyFuchs' corneal dystrophy is an inherited disease of the cornea. It affects both eyes, causes corneal swelling and loss of vision, and may need to be treated with corneal transplant surgery. Fortunately, patients have a great chance of maintaining their vision in the long term. 

The cornea is the clear outer layer of the eye. It consists of five layers. The innermost layer is called the endothelium. There is a natural tendency for fluid within the eye to enter the cornea and cause it to swell. The endothelium is responsible for pumping out this fluid from the cornea and maintaining a relative state of dehydration. It is in this state that the cornea is transparent and light may be transmitted and focused for clear vision. If the fluid cannot be pumped out, then the cornea swells and loses its transparency. As a result, light cannot be focused and vision is blurred.

The corneal endothelium is a single cell layer on the innermost surface of the cornea. A given number or density of endothelial cells is present at birth, usually about 5,000 cells per square millimeter. There is a normal, progressive and slow loss of endothelial cells with aging. By age 40 or so, the cell count has dropped to about 3,000 cells/mm2. By age 70 or 80, this may be 2,000 cells/mm2. At this cell count, there are still plenty of healthy cells to maintain corneal clarity. But with Fuchs' corneal dystrophy, the rate of cell loss is accelerated. By the 5th or 6th decade of life, too many cells may have deteriorated and been lost, and the cell count many have dropped to less than 500 cells/mm2. Below 500 cells/mm2, the cornea begins to show swelling, and the vision becomes blurred. Special diagnostic equipment, consisting of a specular microscope and ultrasonic pachymeter, is used to measure the corneal endothelium cell density and determine the presence of corneal swelling.

As the swelling develops, patients’ vision may fluctuate. It may begin with cloudy vision early in the morning that seems to clear later in the day. As the swelling progresses, the vision remains cloudy longer during the day and eventually remains cloudy throughout the day. In the early stages of the swelling, medications may be helpful; however, the underlying problem of progressive endothelial cell loss cannot be halted.

Because this is an inherited condition, there is often a family history of Fuchs' Dystrophy or corneal transplant surgery. The inheritance pattern is autosomal dominant, which means that ½ of the offspring of an affected individual (both male and female) will receive the gene for Fuchs' Dystrophy and are at risk for developing this corneal deterioration. Specular microscopy can be performed to detect the early stages of this condition and may be useful to screen the children of an affected person.

Once the vision is cloudy, corneal transplant surgery is recommended. The new donor cornea comes with its own healthy and normal endothelium. Thus, once the donor cornea is healed, the endothelial function is restored and the cornea becomes transparent. Clear vision is recovered. There is a 95% success rate for corneal transplant surgery for this condition.

Why Choose Us
The surgeons at Cornea Associates of Texas are board certified and fellowship trained in the treatment of corneal disease and surgery. They have considerable experience in recognizing Fuchs' Dystrophy and managing this condition. Our physicians perform the newer DSEK and DMEK procedures, versus a full-thickness transplant for most Fuchs' patients.  For more information about Fuchs' Dystrophy or to schedule a consultation, please contact our office today.

Eye doctors at Cornea Associates of Texas

Cornea Associates of Texas

Cornea Associates of Texas provides superior eye care from offices in Plano, Fort Worth, and Dallas, TX. Our doctors perform many surgical procedures, including LASIK surgery, PRK surgery, and cataract surgery. Our doctors are affiliated with several prestigious organizations, including:

  • The American Academy of Ophthalmology
  • The American Medical Association
  • The American Board of Ophthalmology
  • The International Society of Refractive Surgery

To schedule a consultation with our team, please fill out our online form or call (214) 692-0146.

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