Risks are usually in a soft actions are involved, and laser eye correction surgery is no exception. Even if the benefits outweigh the risks, a doctor responsible should mark the expected complications occur and what can be done, though.
* Difficulty in creating the flap – this is a problem when a microkeratome blade is used. This is a rare event in general, less than 1% of the time, but is also a big risk. Eachhas a cover one eye and able to provide the diversity of the flap often too irregular or too well, and so on, which make the task a difficult issue. When a flap is created successfully, the transaction is completed immediately and four months, "he continued. In this way, the cornea was given time to heal, so that the flap may be positioned to be closed. If the healing has not been without problems, patients may experience loss of best corrected vision in the form of reduced clarity of vision.
*- Infection The risk of infection is very low, affecting only about 1 patient in LASIK surgery from 5000 and one in 1000 for PRK. In the worst cases of infection and the permanent impairment of the cornea and the decline of vision. With antibacterial drops for use after surgery and with proper care, your doctor after the operation itself can be greatly reduced infections, because your eyes will be monitored for signs of infection.
* Diffuse lamellar keratitis (DLK) – This is a kind ofThe inflammation, which result in a between one in 100 cases with serious implications for DLK 1 of 1500 In general, steroid drops are given and it usually can relieve inflammation without the involvement of your vision. DLK intense in the flap may need to be increased in order to address the inflammation.
* Overcorrection or undercorrection – Since the cornea is living tissue, and all eyes are different, is something for you undercorrected overcorrect or probably after the operation. If youare overrepresented be corrected with laser (simultaneous correction of myopia, you may need reading glasses sooner than it should be. When your eyes or on undercorrected, you can often do better to correct the remaining prescription. If a second treatment is necessary, is made in the first few months after LASIK, but not before four months after PRK. LASIK patients, the other door with their existing equipment, and generally notasked flap.
* Loss of sharpness of vision – Less than 1% of patients lose some 'clarity of their vision. One can not read the best line of vision chart using glasses or contact lenses, laser eye treatment before surgery, but to them. Normally, this is temporarily after the surgery and you will see remarkable progress sharper.
* Halos – After surgery patients may be a "halo" around bright lights of luminenceNight. For most patients, these usually disappear gradually after a month, but some patients continue to have and see the glow, Halo more time than expected. Be sure your doctor.
* Flap displaced – the flap during LASIK may shift a bit 'immediately after the operation has created. Shock or injury is often the culprit, but the rubbing of the eyes at the starting point is also the authors. Twenty-four hours after surgery, reduces the risk of flap movement considerably. This is donein less than 0.5% of cases, usually within the first months after laser treatment. However, it can occur months or years after surgery, when there is a serious eye damage. If the change is significant, is a change of action.
* Dry eyes – The eyes are typically drier than affecting the average for the first two weeks after surgery, laser eye correction, the wetting of the surface of the eye. Some patients have dryEye for an extended period. E 'of fundamental importance for lubricating drops frequently used when the eyes are uncomfortably dry for a longer period.
* Corneal Haze – Mild blurred vision was reported, especially during the first weeks after the operation. This is generally safe and sound after a few months. More serious, you can still smoke in less than 1% of patients and another laser treatment may be necessary to change it. This condition occurs mainly on PRKPatients with a higher drug prescription.
* Epithelial ingrowth – The epithelium is the thin layer of tissue that covers the outer surface of the cornea. In rare cases (about 0.2%), the epithelium can grow under the corneal flap after laser surgery. If the limit of development on the edge, you do not need surgery. However, if the development will take place on the lifting of the flap may be necessary to remove the epithelium. Epithelial ingrowth is usually moreExtensions in the first eye surgery, laser correction, with the possibility to reach 6%.
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