Cataract
Conditions
Interventions
trial group:Implanting Large focal depth intraocular lens (extended depth of field type)
control:Implanting control group crystals
Sponsors
XIANGYA HOSPITAL CENTRAL SOUTH UNIVERSITY;
Tianjin Medical University Eye Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 81 Years
Inclusion criteria
Inclusion criteria: 1. Age = 2.00 mm; 5. Postoperative predicted corneal astigmatism <= 1.5D; 6. The expected intraocular lens refraction was between +5.0D and +30.0D; 7. Patients who were able to complete 6-month follow-up; 8. Be able to understand the purpose of the trial, voluntarily participate in the clinical trial and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Pregnant or lactating women, and those who plan to become pregnant within 6 months after the operation; 2. The best corrected distal visual acuity > 20/40 (LogMAR visual acuity chart); 3. Preoperative corneal endothelial cell count 8 mmol/L), or a history of diabetes associated with eye diseases or conditions affecting postoperative vision; 19. Electrocardiogram or laboratory examination results indicate contraindications to surgery; 20. Unsupervised or unable to follow medical advice; 21. Other conditions that the investigator judged unsuitable for participation in the experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| At 6 months after surgery, optimal corrected distal vision;At 6 months after surgery, median vision under optimal corrected far vision; | — |
Secondary
| Measure | Time frame |
|---|---|
| Best corrected far vision; | — |
Countries
China
Contacts
Public ContactXiaopo Xia/ Tian Fang
XIANGYA HOSPITAL CENTRAL SOUTH UNIVERSITY; Tianjin Medical University Eye Hospital
Outcome results
None listed