Cataract
Conditions
Interventions
Group of Binocular Differential Implantation of SBL-2/3 Intraocular Lenses for Full Range Visual Function:None
Binocular Symmetrical SBL-2 IOL Implantation Group for Intermediate-Distance Visual Function:None
Binocular Symmetrical SBL-3 IOL Implantation Group for Far-Near Visual Function:None
Sponsors
Hainan General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Patients diagnosed with cataract, aged 18–80 years; 2. Aorneal astigmatism =1.00 D; 3. Cataract nuclear hardness less than N5 according to the LOCS III classification; 4. Qilling to undergo surgical treatment; 5. Able to comply with scheduled follow-up as required by the study.
Exclusion criteria
Exclusion criteria: 1. Microphthalmia; 2. Pathological myopia; 3. Significant pupil abnormalities; 4. Chronic uveitis; 5. Patients with active ocular inflammation; 6. Other ocular diseases that may affect visual recovery (including retinal diseases, optic nerve diseases, glaucoma, etc.); 7. Severe systemic diseases that preclude surgery; 8. Intraoperative complications such as posterior capsular rupture or requiring corneal suturing; 9. History of ocular trauma or previous ocular surgery that may affect intraocular lens power calculation or postoperative visual acuity; 10. Patients unable to comply with examinations or follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Uncorrected Distance Visual Acuity (UDVA, 5m);Corrected Distance Visual Acuity (CDVA),;Defocus Curve;Uncorrected Intermediate Visual Acuity (UIVA, 66cm);Uncorrected Near Visual Acuity (UNVA, 44cm); | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual Function Index (VF-14) questionnaire;Contrast sensitivity;Stereoacuity; | — |
Countries
China
Contacts
Public ContactJianhong Sun
Hainan General Hospital
Outcome results
None listed