Cataract with Cornea Astigmatism
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Chinese males or females, >=21 years old; 2. diagnosed with cataract and require a cataract extraction surgery followed by an IOL implantation in both eyes; 3. Pre-existing regular corneal astigmatism >=0.75D and <=2.5D in both eyes; 4. Patients who desire full-range visual acuity, residual refractive cylinder reduction, or spectacle independence; 5. Patients who are willing to complete the visits; 6. Patient signed the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Irregular corneal astigmatism; 2. Occupational night driver; 3. Subjects who are pregnant, lactating, or planning to be pregnant during the course of the study. 4. Other conditions based on treating physician's judgment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Percentage of patients achieving residual refractive cylinder within 0.5D from target for both operative eyes at month 3; | — |
Secondary
| Measure | Time frame |
|---|---|
| Percentage of patients with monocular and binocular distance corrected near visual acuity (DCNVA at 40cm)>/=20/25, and >/=20/40 at month 3; | — |
Countries
China
Contacts
Eye Hospital of Wenzhou Medical University