KERATOCONUS

Keratoconus is a degenerative condition where the shape of the cornea progressively becomes more cone-like. The bulging, cone-shaped cornea distorts the light that travels to the retina, resulting in unclear images being passed to the brain hence reduced vision. It is a condition which gets progressively worse, and may eventually result in the splitting of the back surface of the cornea. This is known as acute corneal hydrops.

Symptoms

There are several symptoms of Keratoconus. These include:

  • change of vision

  • double vision when looking with just one eye

  • visual distortion of objects both close-up and far away

  • bright lights that look like they have halos around them

  • streaking lights

  • seeing ghost images

  • Discomfort with driving due to blurry vision

Causes

  • Tiny fibers of protein in the eye called collagen helps maintaining the biomechanics of the cornea and prevents it from bulging. When these fibers become weak, they cannot withhold the shape and the cornea becomes progressively more cone-shaped.

  • Keratoconus is also shown to be caused by a decrease in protective antioxidants in the cornea.

Risk factors

  • Eye rubbing

  • Allergic eye disease

  • Some genetic diseases such as Downs Syndrome

Treatment

Early keratoconus:

Early Keratoconus can be treated by powered glasses or contact lenses. The extent and progression of any keratoconus can be determined using an eye scan known as corneal topography. This assesses the shape of the cornea.

Progressing keratoconus:

Progressing Keratoconus can be treated using collagen cross-linking (CXL). CXL is aimed at stabilizing the keratoconus.

Late keratoconus:

Late Keratoconus can lead to scarring of the cornea, which leads to poor vision. In these cases, corneal transplantation is generally recommended to improve vision.

What are the treatments for Keratoconus? Find out below

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CONTACT:

MOORFIELDS PRIVATE EYE HOSPITAL

Lenka Furuglyasova 

Tel: 077 2064 3561

Email: moorfields.sahmad@nhs.net

CLINICA LONDON

Jenny Burrows and/or Lizi Grainger

Tel: 020 7935 7990

Email: secretary@clinicalondon.co.uk

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