Keratoconus
Keratoconus (pronunciation: /ˌkɛrətoʊkoʊˈnuːs/) is a degenerative disorder of the eye that results in thinning of the cornea. This thinning causes the cornea to assume a conical shape, which can lead to distorted vision, myopia, astigmatism, and light sensitivity.
Etymology
The term "Keratoconus" is derived from the Greek words 'kerato' meaning cornea, and 'konos' meaning cone.
Symptoms
The symptoms of Keratoconus can vary, but often include:
- Blurred vision
- Double vision
- Near-sightedness
- Astigmatism
- Light sensitivity
- Eye strain
- Headaches due to eye strain
Causes
The exact cause of Keratoconus is unknown, but it is believed to be a combination of genetic, environmental, and hormonal factors. Some researchers believe that it may be related to the production of collagen in the cornea.
Treatment
Treatment for Keratoconus can include:
- Eyeglasses or contact lenses: These can help to correct the distorted vision caused by the thinning cornea.
- Corneal cross-linking: This treatment strengthens the cornea to prevent further shape changes.
- Corneal transplant: In severe cases, a corneal transplant may be necessary.
Related Terms
External links
- Medical encyclopedia article on Keratoconus
- Wikipedia's article - Keratoconus
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