1. Patient Satisfaction After LASIK: Analysis of Over 15,000 Patients Steve Schallhorn MD Consultant for AMO Medical Director Optical Express

2. Methods Consecutive treatments24,309 pts (47,522 eyes) Consecutive treatments24,309 pts (47,522 eyes) Excimer:VISX Star (standard or Custom) (AMO) Excimer:VISX Star (standard or Custom) (AMO) LASIK flaps:Intralase FS-60 (AMO) LASIK flaps:Intralase FS-60 (AMO) Moria Evo3 One Use-Plus (Moria SA) Mean Age39.0 yrsRange18 – 71 yrs Mean Age39.0 yrsRange18 – 71 yrs Male44%Female56% Male44%Female56% Mean MSE-1.86 ± 2.72 D (range -11.63 to +6.00 D) Mean MSE-1.86 ± 2.72 D (range -11.63 to +6.00 D) Consecutive treatments24,309 pts (47,522 eyes) Consecutive treatments24,309 pts (47,522 eyes) Excimer:VISX Star (standard or Custom) (AMO) Excimer:VISX Star (standard or Custom) (AMO) LASIK flaps:Intralase FS-60 (AMO) LASIK flaps:Intralase FS-60 (AMO) Moria Evo3 One Use-Plus (Moria SA) Mean Age39.0 yrsRange18 – 71 yrs Mean Age39.0 yrsRange18 – 71 yrs Male44%Female56% Male44%Female56% Mean MSE-1.86 ± 2.72 D (range -11.63 to +6.00 D) Mean MSE-1.86 ± 2.72 D (range -11.63 to +6.00 D)

3. Completion of Questionnaire 55% of pts completed a 1 month Questionnaire 55% of pts completed a 1 month Questionnaire – 13,370 pts (26,137 eyes) Analysis of pts who completed Questionnaire vs those that didn’t Analysis of pts who completed Questionnaire vs those that didn’t – No significant differences observed in pre- or post-op: Sphere Sphere Cylinder Cylinder UCVA UCVA BCVA BCVA – Statistically significant differences in: Age 0.3 years Age 0.3 years Gender 3% Gender 3% 55% of pts completed a 1 month Questionnaire 55% of pts completed a 1 month Questionnaire – 13,370 pts (26,137 eyes) Analysis of pts who completed Questionnaire vs those that didn’t Analysis of pts who completed Questionnaire vs those that didn’t – No significant differences observed in pre- or post-op: Sphere Sphere Cylinder Cylinder UCVA UCVA BCVA BCVA – Statistically significant differences in: Age 0.3 years Age 0.3 years Gender 3% Gender 3%

4. Questionnaire Computer-based Computer-based Completed in the clinic at 1D, 1W, 1M, 3M Completed in the clinic at 1D, 1W, 1M, 3M Responses data-based and analyzed Responses data-based and analyzed

5. What does the questionnaire assess? Appearance of the facilities Appearance of the facilities Wait times Wait times Visual outcome Visual outcome Quality of care provided Quality of care provided Performance, care, compassion of staff Performance, care, compassion of staff Questions answered Questions answered Expectations met Expectations met Impact on life Impact on life Satisfaction Satisfaction Appearance of the facilities Appearance of the facilities Wait times Wait times Visual outcome Visual outcome Quality of care provided Quality of care provided Performance, care, compassion of staff Performance, care, compassion of staff Questions answered Questions answered Expectations met Expectations met Impact on life Impact on life Satisfaction Satisfaction

6. How satisfied are you with the post-operative care that we have provided for you since your treatment? 1 month postop 99% Satisfied

7. How Satisfied are you with your vision today? 1 month postop 96% of satisfied

8. Satisfaction as a Function of Age

9. Satisfaction as a Function of UCVA

10. Satisfaction as a Function of Preop Sphere

11. Effect of Ablation Profile: Satisfaction as a Function of Preop Sphere WFG vs Standard Ablation (all femto flaps) Insufficient data % of Patients Satisfied

12. Conclusions Patient satisfaction multifactoral Patient satisfaction multifactoral Care provided, friendliness of staff, wait time, etc. Care provided, friendliness of staff, wait time, etc. Most significant correlations for outcomes: Most significant correlations for outcomes: UCVA UCVA Latest technology (WFG & Femtosecond) Latest technology (WFG & Femtosecond) Based on large sample size Based on large sample size Patient satisfaction multifactoral Patient satisfaction multifactoral Care provided, friendliness of staff, wait time, etc. Care provided, friendliness of staff, wait time, etc. Most significant correlations for outcomes: Most significant correlations for outcomes: UCVA UCVA Latest technology (WFG & Femtosecond) Latest technology (WFG & Femtosecond) Based on large sample size Based on large sample size