Trials / Unknown
UnknownNCT05465447
The Long-term Outcome After Toric Intraocular Lens Implantation
The Long-term Outcome After Cataract Surgery With Toric Intraocular Lens Implantation
- Status
- Unknown
- Phase
- —
- Study type
- Observational
- Enrollment
- 60 (estimated)
- Sponsor
- Wenzhou Medical University · Academic / Other
- Sex
- All
- Age
- 18 Years – 90 Years
- Healthy volunteers
- Not accepted
Summary
Corneal astigmatism is refractive error that impairs uncorrected visual acuity. When patients undergo cataract surgery, implantation of toric IOL is deemed the most effective choice for correcting corneal astigmatism and reducing postoperative spectacle dependence. Previous studies report that the visual effects and rotational stability of toric IOLs are well maintained over 1- or 2-year follow-up periods. However, the long-term changes in the effects of toric IOLs remain unclear.
Detailed description
Corneal astigmatism is refractive error that impairs uncorrected visual acuity. When patients undergo cataract surgery, implantation of toric IOL is deemed the most effective choice for correcting corneal astigmatism and reducing postoperative spectacle dependence. Previous studies report that the visual effects and rotational stability of toric IOLs are well maintained over 1- or 2-year follow-up periods. However, there is a long-term against-the-rule (ATR) change of corneal astigmatism with aging，which influences the long-term outcomes of refractive surgery. The long-term changes in the effects of toric IOLs remain unclear. This study aim to observe the clinical effect of Toric IOL implantation in the correction of corneal astigmatism.
Conditions
Interventions
| Type | Name | Description |
|---|---|---|
| DEVICE | subjective refraction | Short-term postoperative (1-3 months) and long-term postoperative (3-5 years) subjective optometry results were measured by subjective refraction. |
Timeline
- Start date
- 2022-07-01
- Primary completion
- 2022-08-01
- Completion
- 2022-10-01
- First posted
- 2022-07-19
- Last updated
- 2022-07-19
Source: ClinicalTrials.gov record NCT05465447. Inclusion in this directory is not an endorsement.