LASIK Complications and Risks
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2. Irregular Astigmatism
Irregular astigmatism may happen if the laser correction is not centered properly on the eye or if the microceratome results a less smooth corneal surface. This condition can be treated with second LASIK procedure (enhancement surgery).
3. Dry Eye
It is normal if you feel dry, itchy or scratchy on eye after LASIK surgery. This temporary problem lasts for about 4 weeks and decreases as your cornea has healed properly. That is why your doctor will give you lubricating eye drops or maybe artificial tears to treat dry eye.
4. Corneal Abrasion
Corneal abrasion is a small breakdown in the epithelial surface caused when microkeratome makes the corneal flap. This happens in a small percentage of LASIK procedures because in some eyes, the surface cells may not adhere well. But don’t worry, as the epithelium grows back quickly within one to three days. To improves comfort and promotes healing, doctor will give you a very thin bandage contact lenses if this problem occurs.
5. Night Glare, Halos, Sensitivity to Light and Hazy or blurred vision
Most of LASIK patients experience these temporary complications for one week up to one month after LASIK surgery. However, some patients may experience these kinds of refractive errors due to the presence of higher order aberrations, which can be treated with Custom LASIK or Wavefront-guided LASIK. Oversize pupil also could cause the night vision problems due to LASIK treatment zone is smaller than pupil’s larger size.
6. Regression
Patients with severe myopia, hyperopia and astigmatism are more likely to experience regression. Regression is gradual decrease in visual acuity over time after LASIK. If significant regression occurs, enhancement surgery may be needed to achieve permanent results.
7. Epithelial Ingrowth
Epithelial Ingrowth happens when the epithelium (corneal surface cells) grows beneath the corneal flap created during the LASIK surgery and causes blurry vision, irritation or swelling. This problem is treated easily by gently lifting the flap and removing the ephitelial cells.
Posted: September 6th, 2006 under LASIK Eye Surgery.
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