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Keratoconus: Facts and Treatments Options in Dubai

Find out the best treatment options for Keratoconus from the experts at Gulf Eye Centre

Posted on

5 November 2018

Last updated on 8 November 2018
Keratoconus: Facts and Treatments Options in Dubai

What is Keratoconus?

Keratoconus is the gradual thinning of the cornea due to weakening of its layers producing a cone-shaped appearance. This non-inflammatory eye condition can result in a significant visual impairment.

Signs and Symptoms:

  • Frequent changes in eyeglass prescription more than once in a year
  • Blurring of vision despite best correction
  • Distortion of images (e.g. like a smear)
  • Haloes, ghosting and/or doubling of vision
  • Increased sensitivity to light
  • Headaches and general eye pain

Risk Factors:

  • Frequent rubbing of the eyes during childhood due to allergies or dry eyes
  • Vernal conjunctivitis
  • Family history of keratoconus

Diagnosis:

Keratoconus can usually be diagnosed with a slit-lamp examination. The classic signs of keratoconus that the doctor will see when examining your eyes include:

  • Corneal thinning
  • Fleischer ring (an iron colored ring surrounding the cone base)
  • Vogt striae (stress lines caused by corneal thinning)
  • Apical scarring (scarring at the apex of the cone) at the late stage of the disease

The doctor will also measure the curvature of the cornea. This is done by:

  • Keratometry: an instrument that shines a pattern of light onto the cornea. The shape of the reflection of the pattern tells the doctor how the eye is curved.
  • Corneal topography: a computerized instrument that make three-dimensional "maps" of the cornea

Corneal topography has facilitated the diagnosis of keratoconus, helping establish the diagnosis earlier, follow progression more accurately and differentiate keratoconus from other conditions.

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Keratoconus: Facts and Treatments Options in Dubai

Treatment

This option may be of help in the early stages of Keratoconus to correct nearsightedness and mild astigmatism. In moderate to advanced stages, it will not be sufficient to give the patient the best vision.

Contact Lenses

Keratoconus is managed by different contact lens options. There is no single design that suits all types of Keratoconus. The lens fitter carefully evaluates the needs of the individual eye to find the lens that offers the best combination of visual acuity, comfort and corneal health. Soft Toric contact lenses can be useful for the early stages. As the Keratoconus progresses, Corneal or Scleral Rigid Gas Permeable lenses or Hybrid lenses are recommended to give better vision.

INTACS and Ferrara / Kera Rings (Intra-corneal ring segments)

These are thin plastic, semi-circular rings inserted into the mid layers of the cornea. They flatten the cornea, changing the shape and location of the cone. The placement of Intacs remodels and reinforces the cornea, eliminating some or all of the irregularities caused by keratoconus. This can improve uncorrected vision, however, depending on the severity of the KC, glasses or contact lenses may still be needed for functional vision. \

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Corneal COLLAGEN CROSSLINKING - also known as CXL or C3R

The is performed in the doctor's office. During the treatment, riboflavin eye drops are applied to saturate the cornea, which is then illuminated by ultraviolet light.

This amazingly simple process has been shown in laboratory and clinical studies to increase the amount of collagen cross-linking in the cornea to strengthen the cornea and arrest further progression of Keratoconus. In published European and American studies, such treatments were proven safe and effective in patients.

Keratoconus: Facts and Treatments Options in Dubai

Corneal Transplant Surgery

Corneal transplantation or corneal grafting, is a procedure where a diseased cornea is replaced by donated corneal tissue as a lamellar (partial) or penetrating (full thickness) graft. A corneal transplant is warranted when the cornea cannot provide sufficient visual acuity to meet the individual’s needs, despite the use of various contact lenses, due to excessive steepening of the cornea, scarring or lens intolerance.

Keratoconus: Facts and Treatments Options in Dubai

Management of Keratoconus

It is often complex to manage Keratoconus and differs at different stages of the disease. Special attention should be given to optimize visual outcome depending on the need of the patient. Corneal collagen cross-linking should be considered as a treatment modality in patients with this progressive disease.

Since Keratoconus has an early onset (around puberty), early diagnosis and treatment are key in reducing the morbidity and preserving a good quality of “life” and “vision”.

To book an appointment to get yourself checked for Keratoconus, press 'Click to Contact' to submit your inquiries.

Dr. Joserine Samson, OD FBCLA

Dr. Joserine Samson, OD FBCLA
First Fellow of British Contact Lens Association (BCLA) in the Middle East

Gulf Eye Center
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Gulf Eye Center
Our international team of highly qualified eye doctors – Ophthalmologists and Optometrists / OD’s – bring together their many years’ experience in Ophthalmic Surgeries, treatments and procedures, using our state-of-the-art equipment and the latest techniques.

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