Limbal Astigmatic Keratotomy to Correct High Degrees of Astigmatism After Phacoemulsification
Not Applicable
Completed
- Conditions
- Astigmatism
- Interventions
- Procedure: manual astigmatic keratotomyProcedure: femtosecond laser astigmatic keratotomy
- Registration Number
- NCT06179355
- Lead Sponsor
- Assiut University
- Brief Summary
Compare manually performed Astigmatic Keratotomy to femtosecond laser astigmatic keratotomy to manage corneal astigmatism more than three diopters after phacoemulsification.
- Detailed Description
create circumferential corneal incisions, following the limbal curvature, at 1-1.5 mm anterior to the limbus, manually and by using femtosecond laser to correct corneal astigmatism more than three diopters after phacoemulsification.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 40
Inclusion Criteria
- Possibility to have informed consent and attendance of all study visits.
- Patients who have undergone conventional phacoemulsification at least one month ago.
- Clear cornea.
- Astigmatism more than 0.5 diopters.
Exclusion Criteria
- Corneal opacity.
- History of corneal surgery.
- Thin cornea.
- Astigmatism equal to or less than 0.5 diopters.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description manual Astigmatic Keratotomy manual astigmatic keratotomy manual limbal Astigmatic Keratotomy using a diamond knife group femtosecond laser Astigmatic Keratotomy femtosecond laser astigmatic keratotomy Femtosecond laser-guided astigmatic keratotomy group
- Primary Outcome Measures
Name Time Method astigmatism (Keratometric reading) three month diopters of the astigmatism after the procedure measured by Pentacam
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Faculty of Medicine, Assiut University
🇪🇬Assiut, Egypt