Cataract
Conditions
Interventions
Experimental group :Multifocal intraocular lens of the experimental group was implanted
Sponsors
Shanghai General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 81 Years
Inclusion criteria
Inclusion criteria: 1. 18 years old< = age< = 81 years old, gender is not limited; 2. Patients with cataract in one or both eyes who are scheduled to undergo phacoemulsification removal of intraocular lens implantation and have a requirement for de-mirroring; 3. Kappa angle <0.6mm; 4. The total higher-order aberration (Total HOA) in the corneal diameter area of 4 mm in the center of the cornea <0.5um; 5. 3.0mm<=natural diameter of the subpupil in the darkroom<=5.5mm; 6. The axial length of the preoperative eye is 21 mm~28 mm; 7. Patients with predicted corneal astigmatism <=1.0D after surgery; 8. Able to understand the purpose of the trial, voluntarily participate in this clinical trial and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Pregnant or lactating women, and those who plan to become pregnant within 12 months after the operation; 2. Preoperative corneal endothelial cell count 8.3 mmol/L), or a history of diabetes associated with eye diseases or conditions affecting postoperative vision; 16. Results of electrocardiogram or laboratory examination indicate contraindications to surgery; 17. Unsupervised or unable to follow medical advice; 18. Other conditions that the investigator judged unsuitable for participation in the experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Best corrected distance visual acuity in both one and both eyes;The percentage of eyes with best corrected distance visual acuity (60 cm) and near visual acuity (40 cm) both reached 4.7; | — |
Secondary
| Measure | Time frame |
|---|---|
| The change status of monocular and binocular vision;Comparison of monocular and binocular contrast sensitivity under photopic and mesopic;Monocular and Binocular Visual Symptom Survey;Monocular and Binocular Near Vision Glasses Independence Rates; | — |
Countries
China
Contacts
Public ContactHaidong Zou
Shanghai General Hospital
Outcome results
None listed