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Subjects with myopia, hyperopia and astigmatism are being randomized to be treated in one eye with a wavefront-guided excimer laser and their fellow eye treated with a wavefront-optimized excimer laser.
Subjects with myopia, hyperopia and astigmatism are being randomized by ocular dominance to be treated with either PRK or LASIK. One eye will be treated with a wavefront-guided excimer laser and the fellow eye will be treated with a wavefront optimized excimer laser.
Allocation: Randomized, Control: Uncontrolled, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
LASIK and PRK
Stanford University School of Medicine
Published on BioPortfolio: 2010-07-15T17:00:00-0400
The Presbyopia Algorithm subject to this study has been specifically developed to prospectively generate a treatment file for the Technolas 217z100 laser that will provide Presbyopia corre...
Hyperopia (farsightedness) has been reported to be associated with reduced visual perceptual and reading abilities. However, there is controversy regarding whether or not to prescribe for ...
The objective of the study is to compare clinical outcomes from LASIK and SBK using FDA-approved laser technology on the same patient
The study tried to find the relation between ablation depth and degree of dryness after LASIK treatment of myopic patients
A study to demonstrate the safety and effectiveness of wavefront laser refractive surgery treatments for hyperopia and astigmatism.
To evaluate the safety and efficacy of flap-lift LASIK performed 10 or more years after the original LASIK procedure.
To report the incidence of postoperative ectasia after laser in situ keratomileusis (LASIK).
To evaluate the accuracy, complication rates, cut quality, and degree of induced hyperopic shift of eye bank-prepared post-LASIK/PRK donor corneas compared to that of non-post-LASIK/PRK donor corneas.
To report the outcomes of LASIK re-treatments after small incision lenticule extraction (SMILE).
To evaluate the predictability, efficacy and safety of Femtosecond-laser-assisted in situ keratomileusis (LASIK) procedure for mixed astigmatism.
A refractive error in which rays of light entering the eye parallel to the optic axis are brought to a focus behind the retina, as a result of the eyeball being too short from front to back. It is also called farsightedness because the near point is more distant than it is in emmetropia with an equal amplitude of accommodation. (Dorland, 27th ed)
Surgical procedures employed to correct REFRACTIVE ERRORS such as MYOPIA; HYPEROPIA; or ASTIGMATISM. These may involve altering the curvature of the CORNEA; removal or replacement of the CRYSTALLINE LENS; or modification of the SCLERA to change the axial length of the eye.