Cataract is defined as the clouding of the eye lens, which can be congenital or acquired. Usually develops a cataract with increasing age, which is also known as senile cataract. Patients can only perceive their surroundings as if through a veil. Increasing cloudiness eye surgery is essential to restore the eyesight again.
The only way for the treatment of cataracts is cataract surgery with removal of the deteriorated lens and implantation of an artificial lens. During surgery, the patient is usually carried out, the cloudy lens is liquefied and removed by means of ultrasound. Is then inserted into the empty capsular bag a plastic lens made of acrylate or silicone.
The lenses are equipped with small plastic hangers, so that the lens can develop at the onset independently and take the correct position. In order to secure support of the artificial lens is ensured.
Had the patient before surgery except cataract or a refractive error, it can be simultaneously corrected with cataract surgery. These multifocal lenses are implanted. Multifocal lenses provide the local and long distance good eyesight, so that after the cataract operation, only a weak reading glasses or no glasses at all is required. Also astigmatic lenses for patients with astigmatism are now already in use. Intraocular lenses is also available with an incorporated UV protection.
Tags: acrylate, astigmatic lenses, Cataract, cataract surgery, silicone, UV
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