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Comparison of corneal haze according to the duration of Mitomycin-C during PRK

Comparison of corneal haze according to the duration of Mitomycin-C during PRK. Dongho Lee Yonsei eye center, Seoul, South Korea. No financial interest on the subject matter. Purpose.

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Comparison of corneal haze according to the duration of Mitomycin-C during PRK

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  1. Comparison of corneal haze according to the duration of Mitomycin-C during PRK Dongho Lee Yonsei eye center, Seoul, South Korea

  2. No financial interest on the subject matter

  3. Purpose • To evaluate the incidence of corneal haze and complications according to different treatment time of Mitomycin-c during PRK

  4. Method • NIDEK EC 5000 • PRK • 0.02% mitomycin-C • Application time – 1 min vs 2 min • BSS irrigation • T – lens • Steroid, artificial tears

  5. Method

  6. Result – change of BCVA

  7. Postoperative SE

  8. Corneal haze

  9. Summary • Myopic regression happen more in 1 minute group • Corneal opacity happen less in 2 minute group than in 1 minute group (3% vs 12%) • Most of the corneal haze were trace • Only 1 in 1 minute group was grade 1 • Both method showed no severe complications

  10. Conclusion • Mitomycin-C in PRK is a safe and effective method for the prevention of corneal haze • 2 minute application was more effective • 1 minute was acceptable without severe haze

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