Comparison of Patient Profiles: Wavefront-Guided LASIK Versus Conventional LASIK Michiho Suzuki-Judge, MD Inouye Eye Hospital Tokyo, Japan Michiho Suzuki-Judge,

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Presentation transcript:

Comparison of Patient Profiles: Wavefront-Guided LASIK Versus Conventional LASIK Michiho Suzuki-Judge, MD Inouye Eye Hospital Tokyo, Japan Michiho Suzuki-Judge, MD Inouye Eye Hospital Tokyo, Japan

Purpose  To document profiles of patients who selected either wavefront-guided LASIK or conventional LASIK.

Methods  Records of 396 LASIK procedures from 199 patients at Inouye Eye Hospital between 11/06 and 06/07 were reviewed.  Tx: VISX S4IR  79 males and 120 females  Age range: 20 to 57 (33.6  8.4)  Pre-op spherical equivalent range: to D (-5.38  2.02)  Records of 396 LASIK procedures from 199 patients at Inouye Eye Hospital between 11/06 and 06/07 were reviewed.  Tx: VISX S4IR  79 males and 120 females  Age range: 20 to 57 (33.6  8.4)  Pre-op spherical equivalent range: to D (-5.38  2.02)

Methods  All patients were informed of pros, cons and price differences between the procedures and made their own decisions. Wavefront-guidedConventional ProsLess HOA Less night glare Less tissue ablation ConsMore tissue ablationMore HOA More night glare Price300,000JPY for both eyes (3,000 USD) 200,000JPY for both eyes (2,000 USD)

Methods  Patient data was categorized by age, sex, occupation and pre-op refraction for comparative analysis.  X 2, ANOVA and T- test analyses were applied to the data.  Patient data was categorized by age, sex, occupation and pre-op refraction for comparative analysis.  X 2, ANOVA and T- test analyses were applied to the data.

Results (Wavefront-guided / Conventional) (male : female ratio) 251 cases 125 patients (63.4%) 145 cases 74 patients (36.6%) Male 40% Female 60% Male 39% Female 61% Conventional WFG

Results (age) Statistical differences found for all age groups under 40 62% 30% 31% 28% 48% 38% 57% 50% 38% 70% 69% 72% 52% 42% Conventional: mean 33.4  7.7 (20~57) WFG: mean 33.9  9.6 (20~56)

Results (occupation) 31% 50% 64% 69% 50%36% % shown only for X 2 values tested as significantly different

Results (pre-op spherical equivalent) (D) 26% 27% 48% 94% 74% 73% 52%

Conclusions  At our hospital in Tokyo, wavefront- guided to conventional LASIK ratio was 63.6 to  Average age and sex were not determinant factors in patients’ decisions for level of LASIK treatment.  Patients in their late 20s and 30s chose wavefront-guided LASIK more than conventional LASIK.  At our hospital in Tokyo, wavefront- guided to conventional LASIK ratio was 63.6 to  Average age and sex were not determinant factors in patients’ decisions for level of LASIK treatment.  Patients in their late 20s and 30s chose wavefront-guided LASIK more than conventional LASIK.

Conclusions  Patients in their early 20s chose conventional LASIK more often.  Housewives and students (dependants) chose conventional LASIK more often.  High myopia patients chose conventional LASIK because they were made aware of concerns for opportunities of enhancement if needed.  Patients in their early 20s chose conventional LASIK more often.  Housewives and students (dependants) chose conventional LASIK more often.  High myopia patients chose conventional LASIK because they were made aware of concerns for opportunities of enhancement if needed.

Thank you for your interest!