Cataracts with corneal astigmatism Eye Diseases Cataracts with corneal astigmatism
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Cataracts with preexisting regular corneal astigmatism and requested toric IOL implantation 2. Cylindric values between 0.75 D and 5.0 D.
Exclusion criteria
Exclusion criteria: 1. Pregnancy and/or lactation 2. Irregular corneal astigmatism 3. Diabetic retinopathy 4. Iris neovascularization 5. Congenital eye abnormalities 6. Severe unstable tear film 7. Retinal detachment 8. Glaucoma 9. Pseudoexfoliation syndrome 10. Uveitis 11. Long-term anti-inflammatory treatment 12. Amblyopia 13. Advanced age-related macular degeneration 14. Previous ocular surgery 15. Severe corneal and/or retinal disease 16. History of eye trauma
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| 1. Visual acuity assessed using a Snellen E chart at baseline and 3 months 2. IOL axial position is measured with toriCAM when participants underwent mydriasis at 3 months 3. Corneal astigmatism measured with different devices are compared | — |
Primary
| Measure | Time frame |
|---|---|
| 1. Astigmatic changes assessed by vector analysis using the Alpins method at baseline and 3 months 2. Postoperative refractive error assessed by the display of the postoperative refractive cylinder at 3 months | — |
Countries
China