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Observation for visual quality after multifocal intraocular lens implantation

Observation for visual quality after multifocal intraocular lens implantation

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900022818
Enrollment
Unknown
Registered
2019-04-27
Start date
2019-04-27
Completion date
Unknown
Last updated
2019-04-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cataract

Interventions

Group 1:Trifocal intraocular lens
Group 2:Bifocal intraocular lens

Sponsors

Shandong Eye Institute
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients with multifocal intraocular lens needs; 2. Pupil diameter (greater than 2.5mm); 3. Kappa angle less than 0.5UM; 4. Corneal irregularity index (higher order aberration) less than 0.5um.

Exclusion criteria

Exclusion criteria: 1. amblyopia; 2. History of eye surgery (including corneal or refractive surgery); 3. Chronic or recurrent uveitis, acute ophthalmopathy or internal and external infections; 4. Diabetes mellitus with diabetic retinopathy; 5. Glaucoma patients; 6. Pseudocystic exfoliation syndrome; 7. Severe xerophthalmia.

Design outcomes

Primary

MeasureTime frame
Defocus curve;—

Countries

China

Contacts

Public ContactWu Xiaoming
wuxiaominglmm@126.com+86 13475326608

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026