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IRCT20190806044459N1 IRCT 2019-09-27 Esfahan University of Medical Sciences The effect of different techniques of PRK surgery on astigmatism Comparison of clinical outcome between Wavefront-optimized photorefractive Keratectomy and Wavefront-guided photorefractive Keratectomy in patients with Astigmatism higher than 2 diopters 2019-09-23 anticipated 206 Complete https://irct.ir/trial/41465 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization is done with Random Allocation software. N/A Astigmatism. Intervention 1: Intervention group: Patients with Astigmatism Refractive Error Higher than 2 diopters that undergo Wave front optimized Photorefractive Keratectomy. Intervention 2: Intervention group: Patients with Astigmatism Refractive Error Higher than 2 diopters that undergo Wave front Guided Photorefractive Keratectomy. Yes - There is a plan to make this available What will be shared: All the study database will be accessible except the participants personal data. When: The database will be accessible 6 months after result publication. To whom: The database will be accessible for academic researchers Conditions: Use of database in academic researches is permitted by reference to the source. Where to obtain: For database access , the request must be sent to moshfeghi69@gmail.com How to obtain: Upon sending an email, the request will be reviewed by the Hospital Research Center and will be sent to the applicant's academic research center immediately after verification of the identity. Comments:
public Saeedreza Moshfeghi
Feiz Hospital ,Qods Square
Isfahan Iran (Islamic Republic of) 8149644874 +98 31 3445 2031 moshfeghi69@gmail.com Esfahan University of Medical Sciences scientific Saeedreza Moshfeghi
Feiz Hospital , Qods Square
Isfahan Iran (Islamic Republic of) 8149644874 +98 31 3445 2031 Moshfeghi69@gmail.com Esfahan University of Medical Sciences Iran (Islamic Republic of) Patients with Astigmatism higher than 2 D refractive error Best-corrected visual acuity (BCVA) of 20/20 or better in both eyes Age 21 years or older 21 years no limit Both Dissatisfaction for participation Ocular surface disease and corneal dystrophy Recent use of Rigid Contact Lens (RGP) Previous corneal or intra-ocular surgery History of herpes keratitis Current use of systemic immunosuppressive therapy Presence of clinically significant atopic disease Connective tissue disease macular disease History of Glaucoma pregnancy and lactation H52.223 Regular astigmatism, bilateral Treatment - Surgery Treatment - Surgery Intervention group: Patients with Astigmatism Refractive Error Higher than 2 diopters that undergo Wave front optimized Photorefractive Keratectomy Intervention group: Patients with Astigmatism Refractive Error Higher than 2 diopters that undergo Wave front Guided Photorefractive Keratectomy Visual acuity. Timepoint: Before Surgery , 6 Months after surgery. Method of measurement: snellen chart. Contrast Sensitivity. Timepoint: 6 months after surgery. Method of measurement: CSV-1000 Chart. Aberration Number. Timepoint: Before surgery ,6 Months after surgery. Method of measurement: Aberrometer. Refractive Error. Timepoint: Before Surgery , 6 Months after Surgery. Method of measurement: Auto Refractometer. Esfahan University of Medical Sciences Approved 2019-05-12 Ethics committee of Isfahan University of Medical Sciences Qods square - Feiz hospital Isfahan Isfehan Iran (Islamic Republic of)