cataract
Conditions
Interventions
1:Optometry and OQAS examination are performed before surgery,PVA=BCVA
2:Optometry and OQAS examination are performed before surgery,PVA<BCVA
Sponsors
Army Characteristic Medical Center (Daping Hospital)
Eligibility
Sex/Gender
All
Age
40 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Aged 40 to 90 years, diagnosised of age-related cataract, willing to carry out phacoemulsification and intraocular lens implantation. 2. Preoperative assessment can tolerate surgery without major organ dysfunction. 3. Equivalent spherical range is -10.00D-+5.00D. 4. Patients must be able to understand and voluntarily sign written informed consent.
Exclusion criteria
Exclusion criteria: 1. The patient's eye has a history of ocular trauma or a history of surgery. 2. Eye disease that affects the refractive state except refractive error, such as pterygium, corneal scar, keratoconus, etc. 3. Adverse events occurs in or after the surgery such as nucleus falling into the vitreous cavity, explosive choroidal hemorrhage, or postoperative complications such as endophthalmitis and posterior cataract. 4. Can not complete the follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Best corrected visual acuity;predicted visual acuity under 100% contrast; | — |
Secondary
| Measure | Time frame |
|---|---|
| objective scatter index;strehl ratio;modulation transfer function cut off;sphere;Cylinder;Axis; | — |
Countries
China
Contacts
Public ContactYe Jian
Army Characteristic Medical Center (Daping Hospital)
Outcome results
None listed