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Changes in pupil diameter, kappa angle and pupil centre shift before and after cataract surgery

Changes in pupil diameter, kappa angle and pupil centre shift before and after cataract surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200060646
Enrollment
Unknown
Registered
2022-06-06
Start date
2022-06-06
Completion date
Unknown
Last updated
2024-05-27

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

Conditions

cataract

Interventions

one:Phacoemulsification

Sponsors

The Second Affiliated Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. The cornea is transparent without cloudiness, macula or leukoplakia; 2. Can cooperate to complete the measurement (can place the measuring head position and find the visual target); 3. No history of eye surgery or trauma.

Exclusion criteria

Exclusion criteria: 1. Patients with obvious inflammation in the study eyes; 2. Abnormal anatomical structure, such as irregular pupil and iris atrophy; 3. In addition to cataract, there are eye diseases that affect the best corrected vision, such as keratoconus, glaucoma, macular disease, etc; 4. There was no follow-up at 1 month after operation.

Design outcomes

Primary

MeasureTime frame
Pupil diameter;Kappa angle;Pupil centre shift;—

Countries

china

Contacts

Public ContactBin Wang
2440925563@qq.com+86 18383092570

Outcome results

None listed

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