Optical Express iDesign System Treatments to Date
UK Primary Enhancement TotalLASIK 16,921 386 17,307PRK 1,912 808 2,720
Totals 18,833 1,194 20,027
Japan Primary Enhancement Total
LASIK 2,948 107 3,055
PRK 275 3 278
Totals 3,223 110 3,333
Surgery date range: 5/30/2012 – 8/24/2013
Low to Moderate Myopia Methods
• 8,905 consecutive primary LASIK
• Myopia MSE <= 6D
• Emmetropia surgical goal
• 20/20 preop BCVA
• 1 month followup
• iFS flap
• 27,290 consecutive primary LASIK
• Myopia MSE <= 6D
• Emmetropia surgical goal
• 20/20 preop BCVA
• 1 month followup
• iFS flap
iDesign System WaveScan System
iDesign System vs WaveScan LASIK System (UK)Low – Moderate Myopia <= 6D
iDesign System WaveScan System
8,905 eyes (4,721 patients)
27,290 eyes (14,589 patients)
Surgery Date Range 5/30/2012 – 8/24/2013 1/1/2012 – 6/18/2013 Gender
% Male / % Female 47.6% / 52.4% 48.1%/ 51.9%
Age
Mean (STD) 33.8 (9.84) 34.6 (10.02)
Min, Max 17 , 67 18, 69
Preop Sphere
Mean (STD) -2.80 (1.47) -2.60 (1.39)
Min, Max -6.00 , -0.25 -6.00, -0.25
Preop Cylinder
Mean (STD) -0.81 (0.75) -0.78 (0.73)
Min, Max -5.50 , 0.00 -6.00, 0.00
2013.10.17-RF7705
1M Predictability MSE93.9% 99.3%95.4% 99.5%
0%
20%
40%
60%
80%
100%
Within 0.50 Within 1.00
iDesign System
WaveScan System
1M Attempted vs Achieved MSE iDesign System
y = 0.99x - 0.05R² = 0.97
-6
-4
-2
0
-6-4-20
WaveScan System
y = 0.98x - 0.09R² = 0.95
-6
-4
-2
0
-6-4-20
1M Cylinder IRC vs SIRC
0 1 2 3 4 50
1
2
3
4
5f(x) = 0.89695246043 x + 0.0513347336R² = 0.918695627543504
0 1 2 3 4 50
1
2
3
4
5f(x) = 0.8688027233 x + 0.0638549498R² = 0.886041910212461
IRC
1M Correction Ratio by Intended Cylinder
Axis Shift
0%
10%
20%
30%
40%
50%
60%
70%
-90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90Axis Shift (degrees)
iDesign System
WaveScan System
Monocular Postop UCVA
84%
95%99% 100%
80%
94%98% 100%
50%
60%
70%
80%
90%
100%
20/16 20/20 20/25 20/40
iDesign System
WaveScan System
“Thinking about your vision during the last week, how satisfied are you with your vision? (without the use of glasses or contact lenses)”
0%
20%
40%
60%
80%
Very satisfied Satisfied Neither Dissatisfied Verydissatisfied
iDesign SystemWaveScan System
“Has your overall vision turned out to be: “
0%
20%
40%
60%
80%
1 Much BETTERthan expected
2 3 About what I
expected
4 5 Much WORSEthan expected
iDesign System
WaveScan System
“Thinking about your vision during the last week, please rate the degree of difficulty you experienced with Glare WITHOUT WEARING glasses or contact lenses”
0%
20%
40%
60%
80%
1 No
Difficulty
2 3 4 ModerateDifficulty
5 6 7 Severe
Difficulty
iDesign System
WaveScan System
“During the last week, how much difficulty do you have driving at night? “
0%
20%
40%
60%
80%
No difficulty at all A little difficulty Moderate difficulty A lot of difficulty
iDesign System
WaveScan System
iDesign System for High Myopia
High Myopia Methods
• 1,227 consecutive primary LASIK
• Myopia MSE > 6D
• Emmetropia surgical goal
• 20/20 preop BCVA
• 1 month followup
• iFS flap
• 3,211 consecutive primary LASIK
• Myopia MSE > 6D
• Emmetropia surgical goal
• 20/20 preop BCVA
• 1 month followup
• iFS flap
iDesign System WaveScan System
iDesign System vs WaveScan LASIK System (UK)High Myopia MSE > 6D
iDesign System WaveScan System
1,227 eyes (725 patients)
3,211 eyes (1,955 patients)
Surgery Date Range 5/30/2012 – 8/24/2013 1/1/2012 – 3/20/2013
Gender
% Male / % Female 41.2% / 58.8% 38.1%/ 61.9%
Age
Mean (STD) 34.5 (9.66) 35.5 (10.09)
Min, Max 18 , 64 18, 67
Preop Sphere
Mean (STD) -6.84 (1.13) -6.89 (1.13)
Min, Max -11.00 , -3.75 -12.00, -4.00
Preop Cylinder
Mean (STD) -1.03 (0.81) -1.02 (0.82)
Min, Max -5.50 , 0.00 -5.50, 0.00
1M Predictability MSE
86%
97%
82%
95%
0%
20%
40%
60%
80%
100%
Within 0.50 Within 1.00
iDesign System
WaveScan System
1M Attempted vs Achieved MSE
-12-10-8-6
-12
-10
-8
-6
f(x) = 0.95763351 x − 0.263310403R² = 0.8578987243439
iDesign
-12-10-8-6
-12
-10
-8
-6
f(x) = 0.9504954227811 x − 0.2661234732648R² = 0.825010269443154
WaveScan
1M Cylinder IRC vs SIRC
0 1 2 3 4 50
1
2
3
4
5f(x) = 0.8905513041 x + 0.0668858455R² = 0.875447378093522
0 1 2 3 4 50
1
2
3
4
5
f(x) = 0.8018094641539 x + 0.1284157484751R² = 0.775544976863374
IRC
iDesign System WaveScan System
1M Correction Ratio by Intended Cylinder
iDesign System WaveScan System
Monocular Postop UCVA
65%
84%
95%99%
55%
79%
91%
98%
50%
60%
70%
80%
90%
100%
20/16 20/20 20/25 20/40
iDesign System
WaveScan System
“Thinking about your vision during the last week, how satisfied are you with your vision? (without the use of glasses or contact lenses)”
0%
20%
40%
60%
80%
Very satisfied Satisfied Neither Dissatisfied Verydissatisfied
iDesign System
WaveScan System
“Has your overall vision turned out to be“
0%
20%
40%
60%
80%
1 Much BETTERthan expected
2 3 About what I
expected
4 5 Much WORSEthan expected
iDesign System
WaveScan System
“Thinking about your vision during the last week, please rate the degree of difficulty you experienced
with Glare WITHOUT WEARING glasses or contact lenses”
0%
20%
40%
60%
80%
1 No
Difficulty
2 3 4 ModerateDifficulty
5 6 7 Severe
Difficulty
iDesign System
WaveScan System
“During the last week, how much difficulty do you have driving at night? “
0%
20%
40%
60%
80%
No difficulty at all A little difficulty Moderate difficulty A lot of difficulty
iDesign System
WaveScan System
Conclusions
• Comparison of iDesign System to WaveScan CustomVue LASIK System:
– Similar refractive predictability
– Better cylinder correction
– Better UCVA
– Better patient reported quality of vision
– Better patient reported night driving
– Higher level of patient satisfaction
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