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Comparison of apparent and three-dimensional pupillary diameter measurements

Comparison of apparent and three-dimensional pupillary diameter measurements

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500114012
Enrollment
Unknown
Registered
2025-12-05
Start date
2025-01-26
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

cataract

Interventions

Observation group:None

Sponsors

Chongqing Emergency Medical Center Ophthalmology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age >= 50 years; 2. Age-related cataracts in both eyes; 3. Complicated with diabetes; 4. Pentacam examination shows "Quality Specification" as "OK".

Exclusion criteria

Exclusion criteria: 1. History of eye surgery; 2. History of eye trauma; 3. Active eye inflammation; 4. Diseases affecting corneal transparency; 5. Wore contact lenses within 2 weeks before the examination.

Design outcomes

Primary

MeasureTime frame
Pupil diameter;—

Countries

China

Contacts

Public ContactWang Bin

Chongqing Emergency Medical Center

2440925563@qq.com+86 183 8309 2570

Outcome results

None listed

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