Cataract / Presbyopia
Conditions
Interventions
Treatment group :Trifocal / Astigmatism-correcting Trifocal Intraocular Lens
Sponsors
Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 85 years old (including 18 and 85 years old), both men and women are eligible. 2. Meeting the diagnostic criteria for bilateral cataracts/presbyopia. 3. Patients who are planned to undergo implantation of trifocal/astigmatism-correcting trifocal intraocular lenses. 4. Able and willing to comply with all treatment and follow-up plans. 5. Voluntarily agree to participate in this study and provide written informed consent, unless informed consent can be waived after approval by the ethics committee.
Exclusion criteria
Exclusion criteria: 1. Irregular corneal astigmatism. 2. Systemic diseases that may affect postoperative results, such as patients with unstable blood sugar control in diabetes. 3. Amblyopia, strabismus, glaucoma, corneal diseases, severe fundus diseases and other ocular diseases that may affect postoperative results. 4. History of ocular trauma or other ocular surgery history that may confound the observation results. 5. Those who cannot follow up as prescribed. 6. Pregnant or lactating women. 7. Other situations where the investigator judges that the patient is not suitable for inclusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| defocus curve; | — |
Secondary
| Measure | Time frame |
|---|---|
| corrected visual acuity;uncorrected visual acuity;subjective refraction.;IOL axial rotation;residual astigmatism;visual quality analysis;Patient satisfaction and visual function evaluation.; | — |
Countries
China
Contacts
Public ContactGuo Tao
Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine
Outcome results
None listed