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Astigmatism

Astigmatism is a visual defect that causes blurred or distorted vision at all distances. It makes it difficult to differentiate between letters and numbers and causes headaches and stinging eyes.

A person’s eye is naturally shaped like a sphere. However, the eye of a person with astigmatism is shaped more like a rugby ball. For this person, light enters the eye at different angles, creating two points of focus. Therefore Objects at any distance can appear blurry and wavy. (See demonstration below).

astigmatisme

In certain cases Astigmatism may occur with other vision problems such as short-sightedness and long-sightedness. This can increase the visual defect.

Nowadays Refractive Surgery enables to correct this condition. Two solutions are possible depending on the degree of the astigmatism and the myopia and hyperopia associated.

  • Laser treatment : for mild or moderate astigmatism. A surgical intervention by laser, PKR, lasik ou Relex enables to reshape the cornea and change its curve. so that light rays focus correctly onto your retina and correct the visual defect.
  • Intraocular lens implant technique : for high and sever astigmatism. An artificial lens is placed inside your eye called Intraocular Lens. This implant enables to correct the vision by adapting the meeting point of the lights onto your retina. Some cases require a treatment guided by topography.

Both treatments are completely painless, last 10 minutes and allow a rapid visual recovery.

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