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Correlation Between A/P Ratio and Surgically Induced Corneal Astigmatism Vector in Cataract Surgery

Correlation Between A/P Ratio and Surgically Induced Corneal Astigmatism Vector in Cataract Surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128600
Enrollment
Unknown
Registered
2026-07-22
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

Age-Related Cataract, Surgically Induced Corneal Astigmatism

Interventions

cased series:None

Sponsors

Tianjin Medical University Eye Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Age-related cataract; 2.A 2.2-mm incision was made at the 135° meridian; 3.Lens nucleus hardness = grade III by Emery classification; 4.Non-Toric IOL.

Exclusion criteria

Exclusion criteria: 1.Sutures were placed at the incision site; 2.History of previous corneal surgery; 3.Pre-existing corneal diseases before surgery; 4.Occurrence of severe intraoperative complications; 5.Postoperative significant corneal edema, endothelial decompensation, or other conditions affecting measurement accuracy.

Design outcomes

Primary

MeasureTime frame
A/P ratio;Cataract surgery-induced corneal astigmatism vector (magnitude and direction);—

Countries

China

Contacts

Public ContactShaochong Bu

Tianjin Medical University Eye Hospital

bushaochong@163.com+86 22 12345678

Outcome results

None listed

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