cataract
Conditions
Interventions
Extended depth of focus group:Implantation of extended depth of focus intraoculaar lenses
Bifocal group:Implantation of bifocal lenses
Monofocal group:Implantation of monofocal lenses
Sponsors
Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, The Key Lenticular Laboratory of Liaoning Province
Eligibility
Sex/Gender
All
Age
30 Years to 90 Years
Inclusion criteria
Inclusion criteria: Patients more than 30 years old needing cataract phacoemulsification and intraocular lens implantation,preoperative retinometer more than 0.5, preoperative corneal astigmatism less than 1.0 diopter and understanding the purpose of the study and be voluntary to sign the informed consent.
Exclusion criteria
Exclusion criteria: Patients with other serious coexisting ocular disease, preoperative corneal astigmatism more than 1.0 diopter,and a history of trauma, zonular weakness, abnormal pupil, previous corneal refractive surgery and other researchers judged excluded patients
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual acuity;refractive status;?????? Objective visual quality;wavefront abberation;Type of lens was selected according to patient's intention; | — |
Countries
China
Contacts
Public ContactJinsong Zhang
Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, The Key Lenticular Laboratory of Liaoning Province?
Outcome results
None listed