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Comparison of corneal hysteresis after SMILE and PRK

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Session Details

Session Title: SMILE for Myopia I

Session Date/Time: Sunday 14/09/2014 | 08:00-09:30

Paper Time: 09:00

Venue: Capital Hall B

First Author: : A.Awad EGYPT

Co Author(s): :                  

Abstract Details


Comparison of corneal hysteresis after SMILE and PRK


Bahgat Eye Centre


Seventy eyes from 35 patients with bilateral myopia or myopic astigmatism were studied. Inclusion criteria were spherical equivalent of subjective manifest refraction (SE) <10 diopters (D) and a difference ≤0.50 D between the SEs of both eyes


Preoperative SE was similar in both groups (p = 0.852). CH values were reduced postoperatively in both groups compared to their corresponding preoperative values (p < 0.001). At the 1 year follow-up visit, the mean CH values in the SMILE and PRK groups were 8.95 ± 1.47 and 9.02 ± 1.27, respectively (p = 0.852).


CH decreased after SMILE. There were no differences between SMILE and PRK treatments in postoperative CH values.

Financial Interest:


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