Preliminary Application of Continuous Functional Contrast Visual Acuity in the Assessment of Visual Function in Dry Eye Patients

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200066297

Enrollment

Unknown

Registered

2022-11-30

Start date

2022-11-19

Completion date

Unknown

Last updated

2023-05-15

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

Conditions

Dry Eye Disease

Interventions

Dry Eye Disease Group:None

Normal Control Group:None

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) At least 18 years old; (2) Binocular best corrected visual acuity (LogMAR) <=0.0; (3) Fully informed consent, willing to participate in this study.

Exclusion criteria

Exclusion criteria: (1) Wearing soft contact lenses within 1 week, wearing rigid contact lenses within 3 weeks, and wearing orthokeratology lenses within 3 months; (2) History of ocular surgery and ocular trauma; (3) Systemic or ocular diseases other than refractive errors that affect visual function; (4) Use any medication that affects the tear system (including artificial tears) 24 hours before the examination.

Design outcomes

Primary

Measure	Time frame
No-invasive Tear-film break up time;visual maintenance ratio;Score of Ocular Surface Disease Index;Mean CFCVA;CFCVA threshold;CFCVA stability value;CFCVA limit value;	—

Countries

China

Contacts

Public ContactPan Anpeng

Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University

pananpeng@126.com15005778161

Outcome results

None listed

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