Cataract
Conditions
Interventions
Control group:None
Multifocal intraocular lens or combined EDoF intraocular lens implantation group:None
Monofocal intraocular lens implantation group:None
Observation group:None
Sponsors
Tianjin Medical University Eye Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Multifocal intraocular lens or combined EDoF implantation group Multifocal intraocular lens or combined EDoF implantation group for patients with moderate to low myopia undergoing cataract surgery at our hospital. (1) Sign a written informed consent form; (2) Preoperative equivalent spherical mirror (SE) is -0.50D~-6.00D, astigmatism < = 1.0 D; (3) Prefer to remove the lens completely after surgery; (4) Implantation of multifocal intraocular lens or multifocal intraocular lens combined with EDoF type intraocular lens; (5) No history of other eye diseases. 2. Monofocal intraocular lens implantation group Moderate to low-degree myopia patients undergoing cataract surgery at our hospital (1) Sign a written informed consent form; (2) Preoperative equivalent spherical mirror (SE) was -0.50D~-6.00D, astigmatism <=1.0D; (3) Those who wish to maintain the habit of seeing far and wearing nearsighted glasses; (4) Implantation of a single-lens intraocular lens; (5) No history of other eye diseases. 3. Monofocal enhanced intraocular lens implantation group Moderate to low-degree myopia patients undergoing cataract surgery at our hospital. (1) Sign a written informed consent form; (2) Preoperative equivalent spherical mirror (SE) is -0.50D~-6.00D, astigmatism <= 1.0 D; (3) Irregular wearing of myopia glasses for years before surgery, hoping for postoperative work distance and indoor lens removal; (4) Postoperative target equivalent spherical mirror is -1.50D~-2.00D; (5) Implantation of a monofocal enhanced intraocular lens; (6) No history of other eye diseases. 4. Control Group: Moderate to low-degree myopia patients undergoing cataract surgery at our hospital. (1) Sign a written informed consent form; (2) Preoperative equivalent spheroflexia (SE) was -0.50D~-6.00D, astigmatism <= 1.0D; (3) Irregular wearing of myopia glasses for years before surgery, hoping for postoperative work distance and indoor lens removal; (4) Postoperative target equivalent spherical mirror is -1.50D~-2.00D; (5) Implantation of a conventional single-lens intraocular lens; (6) No history of other eye diseases.
Exclusion criteria
Exclusion criteria: 1. Multifocal or combined EDoF intraocular lens implantation group (1) Has macular disease, diabetic retinopathy, or other fundus diseases; (2) Has glaucoma, corneal disease, scleral disease, etc.; (3) Has neurological diseases that affect visual quality; (4) Has a history of other eye surgeries; (5) Cannot cooperate with relevant examinations. 2. Monofocal intraocular lens implantation group (1) Has macular disease, diabetic retinopathy, or other fundus diseases; (2) Has glaucoma, corneal disease, scleral disease, etc.; (3) Has neurological diseases that affect visual quality; (4) Has a history of other eye surgeries; (5) Cannot cooperate with relevant examinations. 3. Enhanced monofocal intraocular lens implantation group (1) Has macular disease, diabetic retinopathy, or other fundus diseases; (2) Has glaucoma, corneal disease, scleral disease, etc.; (3) Has neurological diseases that affect visual quality; (4) Has a history of other eye surgeries; (5) Cannot cooperate with relevant examinations
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Uncorrected near vision at a long distance (33cm);Uncorrected intermediate vision from a long distance (60cm);Uncorrected distance vision (6m);Subjective visual quality; | — |
Secondary
| Measure | Time frame |
|---|---|
| Defocus curve;Objective visual quality; | — |
Countries
China
Contacts
Public ContactFang Tian
Tianjin Medical University Eye Hospital
Outcome results
None listed