Cataract surgery is one of the most frequently applied forms of surgery. The intervention normally takes not more than 10 minutes and is carried out on an outpatient basis. The patient doesn’t need to be hospitalized for a whole day.
The natural eye lens of a person is located inside of the eye, in the posterior eye chamber. One’s own eye lens is normally crystal clear and projects the image that is entering the eye on the retina. The lens also largely determines the strength of the glasses for the eye.
Cataract is a common disorder among elderly people where the natural eye lens goes blur. This slowly causes a decrease of the eye sight as much for views at a distance as for those nearby. The only way to resolve the problem is an intervention where the lens of the patient is replaced by a lens implant that is placed on the position where the own lens was located before. Rejection of a lens implant does not occur.
Cataract surgery is easy to undergo. The eye is numbed with drips, so without injections. During the treatment you will be asked to look into the light of the microscope. This light can easily be seen. Generally the two eyes are operated with an interval of 2 weeks.
THREE TYPES OF LENS IMPLANTS
- Monofocal lens implants correct the sight for long-range views. Generally one keeps a slight strength after the intervention for which the person wears glasses. For close views one will still need to use reading glasses as well. The spectacles of the glasses, however, are mostly weaker than the ones used before the intervention.
- Cylindrical (toric) lens implants correct not only the total strength of the eye but also the astigmatism. Therefore, one doesn’t need glasses anymore for long-range views after the intervention.
- Multifocal (or trifocal) lenses correct both the sight for long-distance and near views. Therefore, the use of reading glasses is not necessary anymore either after the operation.
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