Keratoconus: Causes, Symptoms, Daignosis, Prevention and Treatment

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Keratoconus
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Keratoconus

• Keratoconus is an eye condition which is
  characterized by a bulging of the cornea, results
  in significant visual impairment for those
  affected. While the exact causes of keratoconus
  are still relatively unknown, researchers have
  made great technological advances in its
  treatment.

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What causes Keratoconus?

• Keratoconus is a type of eye condition that
  results when the cornea, or outer lens of the
  eye, loses its dome-like shape.In people with
  keratoconus, the cornea becomes generally thinned
  due to a weakening of protective fibers in the
  cornea.This weakening in the corneal fibers
  causes the cornea to lose its normal shape, and
  it begins to take on a cone-like, bulging
  form.The exact cause of corneal thinning is
  still not known. Keratoconus tends to be genetic,
  but it may also be caused by excessive
  eye-rubbing due to allergies or other
  environmental factors.The condition normally
  appears during adolescence or the early twenties,
  but it also may occur later in life.

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What are the symptoms of Keratoconus?

• Keratoconus may cause significant vision
  problems in those affected. The shape of the
  cornea is essential to proper vision, and as the
  cornea loses collagen and thins, the vision may
  become distorted in a variety of ways.The
  symptoms of keratoconus may come on suddenly or
  over a period of several years. The first
  symptoms are normally blurred vision that cannot
  be corrected with eye glasses or contact lenses.
  As the condition develops, more significant
  vision problems may include
• Heightened sensitivity to glare, especially when
  driving at night
• Streaking of lights
• Halos and ghosting around lights at night
• Eye irritation or pain
• Headaches and eye strain

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How is Keratoconus treated?

• Until very recently, the only treatments
  available for keratoconus were Intacs, or plastic
  corneal inserts, and specialty contact lenses.
  While these methods can be effective in the early
  stages of keratoconus, they are unable to correct
  the significant visual impairment that occurs in
  more developed keratoconus cases.Fortunately, a
  new treatment method, called corneal
  crosslinking, has recently been developed that
  has changed the lives of many patients with
  keratoconus. This new technology is simple,
  minimally-invasive, and can be performed in an
  office setting.Corneal crosslinking works by
  increasing the number of collagen crosslinks, or
  protective fibers, within the cornea. By limiting
  the deterioration of the cornea, corneal
  crosslinking works to halt the progression of
  keratoconus.

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