Why LASIK is not Perfect…

Why LASIK is not Perfect…

Nowadays, LASIK eye surgery has enjoyed much-deserved popularity because of its innovations in treating visual problems. Because of the success of the original LASIK procedure, many techniques utilizing the same principles have been invented, making visual correction relatively easy and safe. But even so, it is still not considered as a perfect solution, and certain complications can occur. The bad news is, even with the strict screening process that the patients are required to go through, some of these LASIK complications can never be ascertained until the patients themselves develop them.

LASIK eye surgery has become famous for a reason, and this is mainly due to the low percentage of undesirable outcomes. This is backed up by a study done during the late 90s, which presented a paltry 5 percent of patients who have had disadvantageous aftereffects. Moreover, LASIK doctors also commonly believe that the number can be reduced to one percent, as new information about LASIK is continually collected.

To understand where these complications may come from, it is best to know how LASIK surgery works. The technique mainly involves corneal flaps, and if the flap is incorrectly cut, it will not hold on to the surface of the eye. Careful precision should be applied in getting just the right flap size, because excessive thickness or thinness will result in the flap being wrinkled. This is the reason for the irregular astigmatism complication, as the eye surface will have an irregular shape due to the wrinkled flap. It also leads to conditions like diplopia.

Keratectasia has a good chance of developing when more than the required amount of tissue is taken out, or if the flap has too much depth. In this condition, the cornea bulges, causing the patient to have distorted vision. The worst part is keratectasia cannot be remedied by the laser method in question. Instead, the practitioners recommend contact lenses as a way of keeping the swelling in check.

One of the most dreadful LASIK complications that could transpire is Diffuse Lamellar Keratitis, or what many call Sands of Sahara. This is triggered by the accumulation of dead cells below the said flap. Permanent loss of sight may be experienced due to the blemishing and inflammation resulting from the dead cell buildup. If this ever occurs, it should be treated swiftly with topical steroids and certain antibiotics to prevent the most devastation. In extreme cases, the LASIK surgeons would remove the objects and other possible foreign matter by lifting the flap off and cleaning it.

There are other problems that can develop aside from the aforementioned ones, like blurred vision, oversized pupils and dry eyes. It is best that you understand these LASIK risks when opting for LASIK surgery so you can be prepared to deal with it, should they occur.

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