A clinical study to find if there any difference in the outcomes between the SINGLE VS TWO STEP t- PRK with respect to visual outcomes. And to study rate of corneal wound healing with different lubricating eye drops.
Phase 4
- Conditions
- Health Condition 1: H521- Myopia
- Registration Number
- CTRI/2024/03/064395
- Lead Sponsor
- Ganthi Chetana Lakshmi
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot Yet Recruiting
- Sex
- Not specified
- Target Recruitment
- 0
Inclusion Criteria
1)People who have myopic astigmatism with a spherical error between -1 to -6 diopters and a cylindrical error between -0.5 to -4 diopters.
2)People who have a stable refractive error at least for the past 1 year.
3)People who can come for a followup duration of at least 1 month.
4)Normal corneal tomography.
5)Minimum pachymetry of 470 micrometers.
Exclusion Criteria
1)History of any previous corneal surgery.
2)Family history of keratoconus.
3)History of keloid tendency.
4)Pregnant,lactating women( upto 6 months of delivery).
5)If the person has keratitis or corneal scar.
6)Any corneal dystrophies.
7)Hyperopia.
Study & Design
- Study Type
- PMS
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method visual acuity <br/ ><br>rate of corneal epithelial wound healingTimepoint: visual acuity on 1 and 3 months <br/ ><br>rate of corneal epithelial wound healing on days 1,3,5 and 1 month
- Secondary Outcome Measures
Name Time Method Pain & discomfort in eyes after surgery( t- PRK). <br/ ><br>Timepoint: Pain & discomfort in eyes after surgery( t- PRK) on days 1, 3, 5 & at 1 month.