Tired eye surgery: indications, procedure and postoperative period

The crystalline lens is a lens-shaped part of the human eye located behind the iris and in front of the vitreous humor. Its main function is to focus on objects at different distances. When the crystalline lens deteriorates, this leads to what is known as eyestrain.

The onset of eyestrain (or lens dysfunction syndrome) is around age 45 and begins with a progressive loss in the ability to focus up close, to the point where glasses are needed. The next phase of CDS results in reduced contrast vision, color distortion and abnormal visual phenomena, including photophobia. In the third stage, cataracts occur and transparency is progressively lost.

There are many operations for eyestrain. In our clinic, the vast majority of patients are operated with multifocal lenses, the technique we consider the most appropriate and permanent. The procedure consists of replacing the crystalline lens with a high-tech artificial one. The operation is called phacoemulsification and is performed using ultrasound. Thanks to nanotechnology, it is nowadays a safe and stable technique.

Indications

Not all patients with dysfunctional syndrome can be operated on. In order to evaluate each case, a preliminary study must be carried out in which various eye functions are analyzed to confirm the safety of the operation. According to the results of this study, it will be determined whether the operation is feasible and, if so, which is the most appropriate technique for the specific case.

On the other hand, the operation must also be the patient’s own decision, since eyestrain can also be corrected with glasses or contact lenses. Dysfunctional lens syndrome can be operated at any stage and the operation definitively stops the deterioration process. Even if there is no progression after the operation, the appearance of cataracts in the future is avoided.

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Procedure and postoperative period

The operation takes less than 10 minutes. Both eyes can be operated simultaneously or on different days. Recovery is very fast and, upon leaving the operating room, most patients notice a significant improvement, being able to see out of the operated eye immediately. Vision is not lost at any time and the only precaution the patient should take is to rest in case of fatigue or use artificial tears if vision is fixed for a prolonged period of time.

Even so, in some cases, especially in patients with astigmatism, recovery may be delayed and sometimes a laser adjustment is required a few weeks after surgery.