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Astigmatism

Astigmatism is a refractive error of the eye where there is a difference in the focussing power of the eye in different meridians.
In a very simple sense the curvature of the cornea can be described as the curvature of a rugby ball which is varied over the surface instead of having a constant radius like the curve of a football (which is a sphere).

Usually astigmatism is hereditary. Some people are born with an oblong cornea, and the resulting vision problem may get worse over time.
Astigmatism may also be the result of an eye injury that has caused scarring on the cornea or from certain types of eye surgery or from keratoconus a disease that causes a gradual thinning of the cornea.

The result of astigmatism is that objects can appear distorted or blurry at distance and near.
The laser is used to reshape the corneal surface and create a more smooth corneal profile. This reduces the irregularity in curvature and restores vision. Astigmatic correction is incorporated in the laser treatment plan for all patients who require it, to give the best possible outcome for vision.


Royal Derby Laser Vision Clinic
 
 
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NHS Appointments:
Carole Meredith, Tel. 01332 787514
Private appointments:

Sue Da Silva, Tel. 07900210191
Nuffield Health Derby on 0300 790 6190
Laser Vision Centre:
Sue Da Silva, Tel. 08006 125 175
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