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Correlation Between Preoperative Corneal Biomechanics and Surgically Induced Astigmatism Vector in Cataract Surgery

Correlation Between Preoperative Corneal Biomechanics and Surgically Induced Astigmatism Vector in Cataract Surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600129024
Enrollment
Unknown
Registered
2026-07-29
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

Interventions

Age-related cataract:None

Sponsors

Tianjin Medical University Eye Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Age-related cataract; 2.nuclear hardness not exceeding grade III according to the Emery classification; 3.a clear corneal incision of 2.2 mm at the 135° direction;

Exclusion criteria

Exclusion criteria: 1.Irregular corneal astigmatism; 2.Dry Eye; 3.History of previous ocular surgery; 4.Poor fixation; 5.Intraoperative or postoperative complications;

Design outcomes

Primary

MeasureTime frame
Corneal biomechanical parameters, including AL1, AL2, AV1, AV2, PD, HCR, HCDA, IOPnc, bIOP.;Total corneal astigmatism;Potentially influential variables, including age, central corneal thickness, corneal thickness at 135°, axial length, white-to-white distance.;Visual acuity and manifest refraction;—

Countries

China

Contacts

Public ContactBu Shaochong

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