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Distribution and influencing factors of total corneal astigmatism and total corneal irregular astigmatism

Distribution and influencing factors of total corneal astigmatism and total corneal irregular astigmatism - Distribution and influencing factors of TCA and TCIA

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200060206
Enrollment
Unknown
Registered
2022-05-22
Start date
2022-05-10
Completion date
Unknown
Last updated
2024-04-29

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

Conditions

cataract

Interventions

Case group:None

Sponsors

Shanghai Sixth People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to 99 Years

Inclusion criteria

Inclusion criteria: 1. Men and women over the age of 50; 2. Clinically diagnosed as bilateral senile cataract; 3. From August 2020 to January 2022, patients who have undergone bilateral cataract extraction and intraocular lens implantation in our hospital.

Exclusion criteria

Exclusion criteria: 1. Previous eye injury or eye surgery; 2. Corneal diseases, lens dislocation, glaucoma, uveitis and any other eye diseases that may interfere with biological measurement; 3. Patients who cannot fully cooperate in the measurement process.

Design outcomes

Primary

MeasureTime frame
irregular astigmatism;total corneal astigmatism;white to white;—

Secondary

MeasureTime frame
steep meridian keratometry;axial length;—

Countries

China

Contacts

Public ContactWu Qiang

Shanghai Sixth People's Hospital

wyansh@163.com+86 18930177422

Outcome results

None listed

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