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1. What is Wavefront?

2. What Wavefront optical distortions are present in an eye?

3. What is the WavePrint System™?

4. Is WavePrint™ a separate procedure?

5. Is WavePrint more beneficial for some people than others?
   
   

6. What are the benefits of WavePrint™ ?

7. What research has been done on WavePrint™ ?

8. How much does Wavefront cost?

9. Can I get the same results from a regular LASIK procedure if I choose not to have WavePrint™ ?

10. How should I decide whether or not to choose WavePrint™ ?
    
    

Answers

1. What is Wavefront?

Wavefront describes the percentage of optical distortion in the eye. Each person's optical distortion is unique. It includes their glasses prescription as well as their more complex distortions, known as high order distortions. The measurement and treatment of optical distortion is done with The WavePrint System™.

2. What Wavefront optical distortions are present in an eye?

In general terms, there are two types of optical distortions: low order and high order. Low order distortions include short sightedness (myopia), farsightedness (hyperopia), and astigmatism. There are a number of types of high order distortions. These may be responsible for some of the vision and night vision concerns that some patients have had after laser surgery. These include ghosting ("double" vision), starbursts, and halos. The measurement and treatment of optical distortion is done with The WavePrint System™.

3. What is the WavePrint System™?

The WavePrint System™ includes the WavePrint Map, 3D Active Trak™ Eyetracker, and Variable Spot Scanning (VSS™). This system allows your surgeon to treat your optical distortion by performing Wavefront guided laser treatment according to your individual customized treatment plan.

4. Is WavePrint™ a separate procedure?

WavePrint™ may be used with traditional Lasik or PRK procedures. WavePrint™ describes the measurement of optical distortion and the software used to run the excimer laser. There is no significant difference in how the actual Lasik or PRK procedure is done, whether WavePrint or conventional software is used.

5. Is WavePrint more beneficial for some people than others?

Variable Spot Scanning (VSS™), a component of The WavePrint System™ that allows for a larger treatment area, offers your surgeon greater flexibility in developing a more personalized laser vision procedure when pupil size may be a consideration. In addition, research has shown that WavePrint™ is particularly helpful when treating higher order distortions. This is especially beneficial for patients with higher prescriptions and larger pupils.

6. What are the benefits of WavePrint™ ?

The benefits of WavePrint™ guided laser vision correction include:

1. Higher chance of seeing 20/20 or 20/10 depending on your goals.

2. The ability to offer treatment to people with larger pupils.

3. Reduced frequency of night vision problems following treatment.

4. Clearer, crisper results compared to treatments performed without WavePrint™.

7. What research has been done on WavePrint™ ?

The following is a summary of clinical results and safety taken from VISX™ data submitted for U.S. Food and Drug Association (FDA) approval.

Summary of 6-month results:

1. 96% of eyes had UCVA (uncorrected visual acuity) of 20/20 or better, 71% were 20/16 or better, and 22% were 20/12.5.

2. 47% had better post-op UCVA (uncorrected visual acuity) compared to their pre-op BSCVA (best corrected visual acuity).

3. 94% of eyes were within ±0.50 D of the intended correction.

Safety:

1. 96 % of eyes had UCVS (uncorrected visual acuity or 20/20 or better. 71% were one line better than 20/20 (20/16). 22% were 2 lines better than 20/20 (20/12.5)

2. 87% were very satisfied with their night vision after surgery, compared to 69% before surgery. 6% were somewhat or very dissatisfied after surgery compared to 22% before surgery.

3. 88% never or rarely had halos after surgery compared to 76% before surgery.

4. No eyes in this initial group lost more than 3 LETTERS of BSCVA.

8. How much does Wavefront cost?

The final cost of laser vision correction depends on your prescription, the type of procedure and whether your pre- and post-operative care is provided by Image Plus. Following your complementary personal assessment, we will provide you with a final estimate.

9.Can I get the same results from a regular LASIK procedure if I choose not to have WavePrint™ ?

For patients with certain prescriptions, the likelihood of seeing 20/20 is essentially the same for WavePrint™ and conventional treatments. For appropriate patients with higher prescriptions, the likelihood of seeing 20/20 is higher with WavePrint™. For all appropriate patients, the WavePrint™ treatments give a higher likelihood of seeing better than 20/20, decrease the likelihood of losing vision, and improve the likelihood of the same or better night vision.

10.How should I decide whether or not to choose
WavePrint™ ?

The first step is to contact IMAGE PLUS, your custom Wavefront centre, to schedule a complementary personal vision assessment to determine if you are an appropriate candidate for laser vision correction and WavePrint™. After considering the benefits of WavePrint™ and discussing your options with your surgeon, you will be in much better position to decide if custom WavePrint™ guided Lasik is right for you.

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