The introduction of wavefront technology is one of the most exciting advances in laser eye surgery. Wavefront LASIK involves evaluating the eye in detail prior to surgery to identify imperfections in the visual system and create a three-dimensional map of the eye. This information is later used to guide the laser that performs the vision… Read the full article
Category: Wavefront
Other Vision-Correction Procedures (Pt. 2)
Lens Surgery (Cataract Surgery) For patients with significant cataracts who are looking to correct their nearsightedness or farsightedness, cataract surgery presents the best option. A cataract is a haziness of the natural lens inside the eye that impairs vision. After removing the cataract, Dr. Kornmehl can implant a lens that will reduce or eliminate nearsightedness and farsightedness and… Read the full article
Other Vision- Correction Procedures (Pt. 1)
If it turn out that you are not a good candidate for LASIK or PRK, you and your eye doctor may wish to consider other surgical options. Intacs Corneal Ring Segments Insertion of Intacs corneal ring segments was formerly offered to patients with mild myopia and minimal astigmatism as another option for correcting their nearsightedness. Small, thin… Read the full article
LASIK and PRK: Your Chances for Success (Final Part)
High Hyperopia If the sphere part of your eyeglass prescription is more than +4.00 you have a high degree of hyperopia. LASIK can still correct your vision up to +6.00 diopters, but the results are less predictable, and quality of vision may not be as good as for lower degrees of hyperopia. Above +6.00 diopters,… Read the full article
LASIK and PRK Statistics: Your Chances for Success (Pt.4)
High Myopia You have high myopia if the sphere part of your eyeglass prescription is between -7.00 and -10.00 diopters. Patients with high myopia have a 98% chance of seeing 20/40 or better after the initial procedure and an 85% chance of seeing 20/20. Including enhancement surgeries, they have a greater than 99% chance of seeing 20/40… Read the full article
LASIK and PRK Statistics: Your Chances for Success (Pt. 3)
Statistical Outcomes According to Your Refraction LASIK and PRK are very similar, and the same laser is used for both procedures. So it shouldn’t surprise you that the statistics are the same for PRK and LASIK: your chance of getting 20/20 vision doesn’t depend on which procedure you choose. The decision of whether to have… Read the full article
LASIK and PRK Statistics: Your Chances for Success (Pt. 2)
A surgeon who tracks his own results can give you a better result and can also better educate you about what result you can expect if you choose him or her as your surgeon. Statistics and percentages are useful to patients who want to know what kind of vision they can realistically expect after surgery…. Read the full article
LASIK and PRK Statistics: Your Chances for Success (Pt. 1)
What are my chances of achieving 20/20 vision with LASIK or PRK? This is what every patient wants to know. A better question might be this: What is the likelihood that my procedure will be successful, given my refractive error? Although it would be unreasonable to be guaranteed 20/20 eyesight after vision correction surgery, it… Read the full article
PRK (Photorefractive Keratectomy) (Final Pt.)
Discomfort Because your eyes are numb during the surgery, you will feel no pain during either LASIK or PRK. Mild to moderate discomfort is typical with PRK during the first 24-48 hours after surgery. The discomfort is caused by the absence of the epithelium, and disappears as the new epithelium grows over the area of… Read the full article
PRK (Photorefractive Keratectomy) (Pt. 6)
Potential Complications In general, the complications of PRK and LASIK are the same. Absence of Flap Complications One advantage of PRK over LASIK is that there is no risk of flap complications because no corneal flap is created. Corneal Haze Corneal haze is clouding of the cornea during the healing process. This clouding may cause… Read the full article