7800 SW 87 Ave Suite B-270 Miami, FL 33173 305-271-8206

Keratoconus Treatment

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DIAGNOSIS FOR KERATOCONUS TREATMENT

To diagnose keratoconus and properly seek Keratoconus Treatment, your eye doctor (ophthalmologist or optometrist) will review your medical and family history and conduct an eye exam. He or she may conduct other tests to determine more details regarding the shape of your cornea. Tests to diagnose and start keratoconus treatment include:

  • Eye refraction. In this test your eye doctor uses special equipment that measures your eyes to check for vision problems. He or she may ask you to look through a device that contains wheels of different lenses (phoropter) to help judge which combination gives you the sharpest vision. Some doctors may use a hand-held instrument (retinoscope) to evaluate your eyes.
  • Slit-lamp examination. In this test your doctor directs a vertical beam of light on the surface of your eye and uses a low-powered microscope to view your eye. He or she evaluates the shape of your cornea and looks for other potential problems in your eye.
  • Keratometry. In this test your eye doctor focuses a circle of light on your cornea and measures the reflection to determine the basic shape of your cornea.
  • Computerized corneal mapping. Special photographic tests, such as optical coherence tomography and corneal topography, record images of your cornea to create a detailed shape map of your cornea's surface. The tests can also measure the thickness of your cornea.

KERATOCONUS TREATMENT

Your keratoconus treatment depends on the severity of your condition and how quickly the condition is progressing.

There is keratoconus treatment from mild to moderate that can be treated with eyeglasses or contact lenses. For many people, the cornea will become stable after a few years. If you have this type, you likely won't experience severe vision problems or require further treatment.

In some people with keratoconus, the cornea becomes scarred or wearing contact lenses becomes difficult. In these cases, surgery might be necessary.

Lenses

  • Eyeglasses or soft contact lenses. Glasses or soft contact lenses can correct blurry or distorted vision in early keratoconus. But people frequently need to change their prescription for eyeglasses or contacts as the shape of their corneas change.
  • Hard contact lenses. Hard (rigid, gas permeable) contact lenses are often the next step in progressing keratoconus treatment. Hard lenses may feel uncomfortable at first, but many people adjust to wearing them and they can provide excellent vision. This type of lens can be made to fit your corneas.
  • Piggyback lenses. If rigid lenses are uncomfortable, your doctor may recommend "piggybacking" a hard contact lens on top of a soft one.
  • Hybrid lenses. These contact lenses have a rigid center with a softer ring around the outside for increased comfort. People who can't tolerate hard contact lenses may prefer hybrid lenses.
  • Scleral lenses. These lenses are useful for very irregular shape changes in your cornea in advanced keratoconus. Instead of resting on the cornea like traditional contact lenses do, scleral lenses sit on the white part of the eye (sclera) and vault over the cornea without touching it.

If you're using rigid or scleral contact lenses, make sure to have them fitted by an eye doctor with experience in keratoconus treatment. You'll also need to have regular checkups to determine whether the fitting remains satisfactory. An ill-fitting lens can damage your cornea.

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KERATOCONUS TREATMENT

  • Corneal cross-linking. In this keratoconus treatment, the cornea is saturated with riboflavin drops and treated with ultraviolet light. Corneal cross-linking may help to reduce the risk of progressive vision loss by stabilizing the cornea early in the disease.
  • Surgery.  You may need surgery as keratoconus treatment if you have corneal scarring, extreme thinning of your cornea, poor vision with the strongest prescription lenses or an inability to wear any type of contact lenses. Several surgeries are available, depending on the location of the bulging cone and the severity of your condition.

Surgical options include:

  • Corneal inserts. During this surgery, your doctor places tiny, clear, crescent-shaped plastic inserts (intracorneal ring segments) into your cornea to flatten the cone, support the cornea's shape and improve vision.
    Corneal inserts can restore a more normal corneal shape, slow progress of keratoconus and reduce the need for a cornea transplant. This surgery may also make it easier to fit and tolerate contact lenses. The corneal inserts can be removed, so the procedure can be considered a temporary measure.
  • Cornea transplant. If you have corneal scarring or extreme thinning, you'll likely need a cornea transplant (keratoplasty). Penetrating keratoplasty is a full-cornea transplant. In this procedure, doctors remove a full-thickness portion of your central cornea and replace it with donor tissue.


A deep anterior lamellar keratoplasty (DALK) preserves the inside lining of the cornea (endothelium). It helps avoid the rejection of this critical inside lining that can occur with a full-thickness transplant.
Cornea transplant for keratoconus generally is very successful, but possible complications include graft rejection, poor vision, astigmatism, inability to wear contact lenses and infection.

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