Clinical Application for Tear Film Optical Quality Dynamics and Continuous Functional Visual Acuity in dry eye evaluation

Clinical Application forTear Film Optical Quality Dynamics and Continuous Functional Visual Acuity in dry eye evaluation

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900026330

Enrollment

Unknown

Registered

2019-09-30

Start date

2019-09-30

Completion date

Unknown

Last updated

2019-10-07

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

Conditions

Dry Eye Disease

Interventions

Part A-Dry Eye Group:No intervention

Part A-Normal Control Group:No intervention

Part B-Dry Eye Group:No intervention

Part B-Normal Control Group:No intervention

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1) 18 years of age or older; 2) Full informed consent and willingness to participate in the study; 3) The best corrected visual acuity of each eye is equal or better than 20/20;

Exclusion criteria

Exclusion criteria: 1) Cataract, vitreous hemorrhage, corneal dystrophy, corneal opacity, corneal epithelial defects, lacrimal duct disease, etc.; 2) Drugs affecting the tear system were used within 2 hours prior to the test.

Design outcomes

Primary

Measure	Time frame
Objective scatter index curve;Non-invasive tear break-up time;Objective scatter index maintenance ratio;Continuous Functional Visual Acuity maintenance ratio;	—

Secondary

Measure	Time frame
Fluorescein tear break-up time;Score of Ocular Surface Disease Index;Schirmer I test;	—

Countries

China

Contacts

Public ContactAyong Yu

The Eye Hospital of Wenzhou Medical University,

yaybetter@hotmail.com+86 13868760001

Outcome results

None listed

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