Comparing two vision corrective laser eye surgery techniques
Not Applicable
Completed
- Conditions
- Eye DiseasesMyopia with or without astigmatism
- Registration Number
- ISRCTN78153726
- Lead Sponsor
- Oftalmax – Benfica
- Brief Summary
2023 Results article in https://doi.org/10.3928/1081597X-20230925-03 (added 29/12/2023)
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 50
Inclusion Criteria
1. Myopic patients with or without astigmatism
2. Aged between 20-35 years old
3. Spherical degree up to 8 and cylinder up to 3
Exclusion Criteria
1. Keratoconus or predisposing topographic changes
2. Pachymetry below 500
3. PTA above 40
4. Previous eye surgery
5. Glaucoma
6. Dry eye
7. Cataract
8. Systemic diseases
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Visual acuity (logMAR chart) measured using a digital projector with and without correction at 1 day, 1 month, and 3 months post-operatively
- Secondary Outcome Measures
Name Time Method 1. Ephthelial remodeling in microns measured using an OCT Avanti that evaluates the epithelial thickness map generated by an automatic algorithm and divided into a total of 17 sectors (central, paracentral and mid-periphery) preoperatively and at 3 months<br><br>2. Cornea total root mean square (RMS) (total high order aberrations on Cornea surface) measured using corneal tomography with the Galilei G6 using the Zernike map preoperatively and at 3 months postoperatively