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Accuracy Evaluation of Intraocular Lens Power Calculation Formulas Based on Preoperative Cataract Measurements

Accuracy Evaluation of Intraocular Lens Power Calculation Formulas Based on Preoperative Cataract Measurements

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128828
Enrollment
Unknown
Registered
2026-07-27
Start date
2026-07-31
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Senile cataract

Interventions

Age-related cataract observation group:None

Sponsors

Tianjin Medical University Eye Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patients over 18 years old with cataracts; 2. With complete preoperative Master700 ocular measurement parameter records and follow-up records at 1 month and 3 months after surgery

Exclusion criteria

Exclusion criteria: 1.History of ocular surgery; 2.Poor fixation; 3.Patients with unqualified biometric data; 4.Development of intraoperative or postoperative complications;

Design outcomes

Primary

MeasureTime frame
Ocular biological parameters including Axial length Anterior chamber depth Corneal curvature White-to-white;Manifest refraction and visual acuity;—

Countries

China

Contacts

Public ContactShaochong Bu

Tianjin Medical University Eye Hospital

bushaochong@163.com+86 22 1234 5678

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026