Status:
RECRUITING
Accuracy of Corneal Astigmatism in Different Region Modes
Lead Sponsor:
Wenzhou Medical University
Conditions:
Astigmatism
Cornea
Eligibility:
All Genders
18+ years
Brief Summary
To analyze the difference between measured total corneal astigmatism and actual corneal astigmatism under different region modes and optimize the region setting.
Eligibility Criteria
Inclusion
- Age ≥ 18 years
- Patients who had received phacoemulsification surgery with or without implantation of toric IOL are with a certain amount of corneal astigmatism.
- Best corrected visual acuity ≥ 0.66 (20/30 Snellen)
Exclusion
- Corneal diseases or severe irregular astigmatism (e.g., pterygium, keratoconus), existence of corneal opacification;
- Ocular disease which may affect visual acuity (e.g., glaucoma, uveitis, retinal disease, pathologic myopia);
- History of ocular surgery or ocular trauma before this cataract surgery;
- Decentration of IOL \> 0.3mm or tilt \> 5°
- Implantation of multifocal IOL
- history of wearing of rigid contact lens within the past 4 weeks or soft contact lens within 1 week;
Key Trial Info
Start Date :
October 10 2017
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
October 28 2026
Estimated Enrollment :
70 Patients enrolled
Trial Details
Trial ID
NCT03299530
Start Date
October 10 2017
End Date
October 28 2026
Last Update
July 23 2024
Active Locations (1)
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1
Eye Hispital of Wenzhou Medical University
Wenzhou, Zhejiang, China, 325000