Status:
COMPLETED
A Comparison of the Accuracy of Toric Intraocular Lens Formulas
Lead Sponsor:
Wenzhou Medical University
Conditions:
Astigmatism
Eligibility:
All Genders
21-90 years
Brief Summary
To compare the accuracy of the Abulafia-Koch, the Barrett, the Barrett Post ,the EVO , the new Holladay with total surgical-induced astigmatism, the Kane and and the Næser-Savini toric intraocular len...
Detailed Description
To compare the accuracy of the Abulafia-Koch, the Barrett, the Barrett Post ,the EVO , the new Holladay with total surgical-induced astigmatism, the Kane and and the Næser-Savini toric intraocular len...
Eligibility Criteria
Inclusion
- uncomplicated cataract surgery with a temporal clear corneal incision,with preoperative biometry using either the IOLMaster 500 (softwareversions 5.5 and 7.7) or 700 (software version 1.50; Carl Zeiss Meditec AG, Jena, Germany)
- subjective manifest refraction performed by any of the orthoptists in the practice and measurement of the actual postoperative axis of the IOL alignment performed in the same visit an average of 1 or 3months after surgery.
Exclusion
- any corneal disease (keratoconus, other ectasia, pterygium, or previous trauma);
- previous ophthalmic operations, including laser vision correction, vitrectomy, pterygium surgery, penetrating glaucoma surgery, or scleral buckling procedures
- intraoperative or postoperative complications
- postoperative corrected distance visual acuity worse than 6/9
Key Trial Info
Start Date :
January 1 2015
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
January 1 2020
Estimated Enrollment :
172 Patients enrolled
Trial Details
Trial ID
NCT04776603
Start Date
January 1 2015
End Date
January 1 2020
Last Update
March 1 2021
Active Locations (1)
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1
Zhejiang, China