Trans Epithelial PRK for Treatment of High Astigmatic Error

Not Applicable

Recruiting

• Conditions: Condition 1: Myopia. Condition 2: Astigmatism.; Myopia, bilateral; Unspecified astigmatism, bilateral; H52.13; H52.203

• Registration Number: IRCT20130306012724N5
• Lead Sponsor: Esfahan University of Medical Sciences

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 22 February 2021

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

Age over 18 years
Stable refraction during the last year
No history of wearing contact lens for at least 3 weeks before the examination
No history of Keratoconus and any type of corneal ectasia in the patient or his first-degree family
sphere equal to or greater than -1 diopter and cylinder equal to or greater than 3 diopters in both eyes
Satisfaction and full knowledge of patients to enter the plan

Exclusion Criteria

Previous ocular surgery
Active eye disease, corneal dystrophy, retinal diseases, glaucoma, dry eye of any degree
History of severe eye trauma
Systemic diseases that potentially impair wound healing, including diabetes, collagen vascular disease, and pregnancy.
Taking inhaled or systemic steroids actively or for 3 months before the procedure

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Refractive astigmatism. Timepoint: Before, and 6 months after intervention. Method of measurement: Autorefractometry, combined with subjective refinement.

Secondary Outcome Measures

Name	Time	Method
Visual acuity. Timepoint: Before, and 6 months after intervention. Method of measurement: Snellen chart.;Cornea slit-lamp examination. Timepoint: before, and 6 months after intervention. Method of measurement: Slit-lamp bio-microscopy.