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70 vs 110 Degree Side-cut Angles in Femtosecond LASIK

January 15, 2020


The University of Utah is holding a study that compares 70 and 110 degree side-cut angles in Femtosecond Laser-assisted in Situ Keratomileusis (FS-LASIK). The angles will be performed on two different eyes of the same patient for a side by side comparison. The most common side cut angles of LASIK 45, 70, 90, and 110 degrees. This study is the first to examine 70 and 110 side-cut angles.


Study Information

There is an estimated enrollment of 200 participants. One side cut angle will be performed on the right eye and the other on the left. The goals of this study are to monitor uncorrected visual acuity, best corrected visual acuity, intraoperative, and postoperative complications.


Inclusion Criteria

All sexes, ages 21 years and older, are allowed to participate. Participants must be considered suitable by investigators for bilateral LASIK surgery.


Exclusion Criteria

Those not allowed to participate are subjects who are not considered suitable for LASIK.



Those interested may participate in this study at the Midvalley Location of the University of Utah John A. Moran Eye Center in Murray, Utah, 84107. Feel free to contact Mark Mifflin, MD at 801-213-3447 or at  with any questions or concerns.



This clinical trial is sponsored by The University of Utah. The Principal Investigator is Mark D Mifflin, MD.

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