Cataract
Conditions
Interventions
Abnormal visual quality group:None
Normal visual quality group:None
Sponsors
Tianjin Medical University Eye Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients whose scanning range in the iTrace examination was >= 4mm and whose results were qualified; 2. Patients who underwent phacoemulsification combined with intraocular lens implantation for cataract and implanted a single-focus aspherical intraocular lens at the Ophthalmology Department of Tianjin Medical University from June 2026 to December 2026; 3. The same brand and model of single-focus aspherical IOL was used throughout the process; 4. Only one eye meeting the requirements can be included in the study population; 5. Voluntary participation in this trial and agreement to sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Exclusion criteria included patients with high myopia (spherical equivalent >= 6 D or axial length >= 26 mm), short ocular axis (axial length <=21 mm); 2.Patients with Fundus diseases, keratitis, corneal scarring, pterygium, history of ocular trauma or intraocular surgery, and inability to fixate steadily.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| OQAS examination results(MTF?PSF?SR?OSI);iTrace parameters including MTF, PSF, DLI, QVI, photopic CPI, scotopic CPI, corneal higher-order aberrations, alpha angle, kappa angle, I-S value and TFI.;QOV-30 score; | — |
Countries
China
Contacts
Public ContactFang Tian
Tianjin Medical University Eye Hospital
Outcome results
None listed