A national multicenter retrospective study evaluating the multidimensional quantification of the effects of air pollution and climate change on dry-eye symptoms at the Chinese scale

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2500108921

Enrollment

Unknown

Registered

2025-09-09

Start date

2023-11-02

Completion date

Unknown

Last updated

2025-09-15

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

Conditions

dry eye

Interventions

Case group:none

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: The data of dry eye patients who visit the ophthalmology clinic for dry eye testing have no age or gender restrictions, and can be combined with other diseases

Exclusion criteria

Exclusion criteria: Incomplete information on the date, name, gender, date of birth, home address, and eye entry information is excluded

Design outcomes

Primary

Measure	Time frame
Tear break-up time;Tear Meniscus Height;meibomian gland loss;meibomian orifice plugging;	—

Countries

China

Contacts

Public ContactLu Chengwei

The First Hospital of Jilin University

lcwchina800@sina.com+86 158 0430 1709

Outcome results

None listed

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