Laser eye surgery most common risks

Very few patients have reported negative outcomes of LASIK surgery. One of the most frequent complaints – though not common at all – is related to unsuccessful surgery. Sometimes the operation is unsuccessful in terms of outcome, or as time goes by there may be a regression of the defect: in cases such as these, the operation can be repeated but only after three months, not earlier.

Two complications that may arise after the operation are associated with the lamellar cut. There can be a lesion or loss of the corneal flap during the cutting operation, or displacement of the lamella which, even if it has been perfectly repositioned by the surgeon, may be inadvertently moved later by the patient. This is more likely to occur during the early days when the lamella has not yet perfectly adhered. However neither of these complications are serious, they are both remediable and at worst leave a slight case of astigmatism as a consequence which can be cured or removed by undergoing a second operation.

Other less common risks are:
- infection;
- nocturnal halos;
- decentralization (this has become practically non-existent, thanks to increasingly precise and cutting-edge lasers);
- hypocorrection or, conversely, hypercorrection, which may be caused by a refractive error when setting the data; it may also be due to incomplete ablation of the laser.