Optical Express iDesign System Treatments to Date

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


• Myopia MSE <= 6D




• iFS flap

iDesign System WaveScan System

iDesign System vs WaveScan LASIK System (UK)Low – Moderate Myopia <= 6D


8,905 eyes (4,721 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


• Myopia MSE > 6D




• iFS flap


• Myopia MSE > 6D




• iFS flap


iDesign System vs WaveScan LASIK System (UK)High Myopia MSE > 6D


1,227 eyes (725 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


1M Correction Ratio by Intended Cylinder


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

Optical Express iDesign System Treatments to Date

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