Another type of Louisville Lasik Surgery is Custom Wavefront Guided Lasik, which is often effective for patients who suffer from higher order aberrations within their vision. Such optical aberrations affect a somewhat small area of eye patients. Such patients will manage to benefit from Custom Wavefront Guided Lasik, that involves customized reshaping of the corneal surface. The aberrations are measured by having an instrument called an Aberrometer, that is capable of share a digital interface with an excimer laser. These microscopic instruments are utilized to shape the patient’s corneal surface; each treatment methods are exactly suitable for people particular optical needs. This technique is available in most corrective eye centers all over the world.